{"id":229,"date":"2014-12-04T16:05:04","date_gmt":"2014-12-04T06:05:04","guid":{"rendered":"https:\/\/aviation-medical.com.au\/?post_type=portfolio&#038;p=229"},"modified":"2016-10-17T13:26:23","modified_gmt":"2016-10-17T03:26:23","slug":"fatigue","status":"publish","type":"portfolio","link":"https:\/\/aviation-medical.com.au\/flying\/fatigue\/","title":{"rendered":"Fatigue in Aviation"},"content":{"rendered":"<div class='flex_column av-av_one_half-2a9015ff38129c418a3f2eafba3e9512 av_one_half  avia-builder-el-0  el_before_av_one_half  avia-builder-el-first  first flex_column_div '     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_image-8031f5e0b40fe86e728f26fb24143844\">\n.avia-image-container.av-av_image-8031f5e0b40fe86e728f26fb24143844 img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-av_image-8031f5e0b40fe86e728f26fb24143844 .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-av_image-8031f5e0b40fe86e728f26fb24143844 av-styling- avia-align-center  avia-builder-el-1  avia-builder-el-no-sibling '   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img class='wp-image-223 avia-img-lazy-loading-not-223 avia_image ' src=\"https:\/\/aviation-medical.com.au\/wp-content\/uploads\/2014\/11\/aviate-navigate-communicate.jpg\" alt='' title='Multitasking in Aviation'  height=\"346\" width=\"346\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/aviation-medical.com.au\/wp-content\/uploads\/2014\/11\/aviate-navigate-communicate.jpg 346w, https:\/\/aviation-medical.com.au\/wp-content\/uploads\/2014\/11\/aviate-navigate-communicate-80x80.jpg 80w, https:\/\/aviation-medical.com.au\/wp-content\/uploads\/2014\/11\/aviate-navigate-communicate-300x300.jpg 300w, https:\/\/aviation-medical.com.au\/wp-content\/uploads\/2014\/11\/aviate-navigate-communicate-36x36.jpg 36w, https:\/\/aviation-medical.com.au\/wp-content\/uploads\/2014\/11\/aviate-navigate-communicate-180x180.jpg 180w, https:\/\/aviation-medical.com.au\/wp-content\/uploads\/2014\/11\/aviate-navigate-communicate-120x120.jpg 120w\" sizes=\"(max-width: 346px) 100vw, 346px\" \/><\/div><\/div><\/div><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_one_half-2a64de42b738552fe666ca889af77e28\">\n.flex_column.av-av_one_half-2a64de42b738552fe666ca889af77e28{\n-webkit-border-radius:0px 0px 0px 0px;\n-moz-border-radius:0px 0px 0px 0px;\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div class='flex_column av-av_one_half-2a64de42b738552fe666ca889af77e28 av_one_half  avia-builder-el-2  el_after_av_one_half  el_before_av_one_full  flex_column_div av-zero-column-padding '     ><section  class='av_textblock_section av-av_textblock-0366cc7376be6c9e82a3e9cc8987b64f'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p>The complexity of the Aviation Environment is obvious:<\/p>\n<ul>\n<li>For the busy controller managing Terminal Control Areas in bad weather, or ATC at a busy class D on a CAVOK weekend.<\/li>\n<li>For the airline pilot flying multi-engine IFR.<\/li>\n<li>For the inexperienced PPL flying in and out of\u00a0controlled airspace, or arriving at an unfamiliar aerodrome.<\/li>\n<\/ul>\n<p>Despite optimum management of workload, unexpected things can happen and this is when attention, concentration, judgement and good communications are most needed.<\/p>\n<\/div><\/section><\/div>\n<div class='flex_column av-av_one_full-2a9015ff38129c418a3f2eafba3e9512 av_one_full  avia-builder-el-4  el_after_av_one_half  el_before_av_one_half  first flex_column_div column-top-margin'     ><article  class='iconbox iconbox_left av-av_icon_box-eecfddda40ab9938d9aa80d68db81a36  avia-builder-el-5  avia-builder-el-no-sibling '  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class=\"iconbox_content\"><header class=\"entry-content-header\"><div class=\"iconbox_icon heading-color\" aria-hidden='true' data-av_icon='\ue826' data-av_iconfont='entypo-fontello'><\/div><h3 class='iconbox_content_title '  itemprop=\"headline\" >What are the effects of Fatigue<\/h3><\/header><div class='iconbox_content_container '  itemprop=\"text\" ><p>The effects of fatigue seem somehow obvious when they are listed. <em>Evidence shows that people affected by fatigue <strong>considerably<\/strong> underestimate the effect on their performance.<\/em><\/p>\n<ul>\n<li>Attention: The First function to be impaired<\/li>\n<li>Concentration<\/li>\n<li>Memory eg. not reading back the ATC Squark, Heading or Flight level Correctly<\/li>\n<li>Judgement<\/li>\n<li>Communication<\/li>\n<li>Situational Awareness<\/li>\n<li>Mood<\/li>\n<\/ul>\n<p>Skills deteriorate much later because these are\u00a0by their nature\u00a0automatic compared with\u00a0knowledge-based performance. Pilot training and experience both help to shift rule-based skills to the automatic (skill based) end of human performance.<\/p>\n<\/div><\/div><footer class=\"entry-footer\"><\/footer><\/article><\/div>\n<div class='flex_column av-av_one_half-2a9015ff38129c418a3f2eafba3e9512 av_one_half  avia-builder-el-6  el_after_av_one_full  el_before_av_one_half  first flex_column_div column-top-margin'     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_image-c0cbc0cc5a6f24a9bcf55dd083a07803\">\n.avia-image-container.av-av_image-c0cbc0cc5a6f24a9bcf55dd083a07803 img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-av_image-c0cbc0cc5a6f24a9bcf55dd083a07803 .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-av_image-c0cbc0cc5a6f24a9bcf55dd083a07803 av-styling- avia-align-center  avia-builder-el-7  avia-builder-el-no-sibling '   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img class='wp-image-228 avia-img-lazy-loading-not-228 avia_image ' src=\"https:\/\/aviation-medical.com.au\/wp-content\/uploads\/2014\/11\/sleep-in-aviation.jpg\" alt='' title='Fatigue in Aviation'  height=\"283\" width=\"424\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/aviation-medical.com.au\/wp-content\/uploads\/2014\/11\/sleep-in-aviation.jpg 424w, https:\/\/aviation-medical.com.au\/wp-content\/uploads\/2014\/11\/sleep-in-aviation-300x200.jpg 300w\" sizes=\"(max-width: 424px) 100vw, 424px\" \/><\/div><\/div><\/div><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_one_half-2a64de42b738552fe666ca889af77e28\">\n.flex_column.av-av_one_half-2a64de42b738552fe666ca889af77e28{\n-webkit-border-radius:0px 0px 0px 0px;\n-moz-border-radius:0px 0px 0px 0px;\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div class='flex_column av-av_one_half-2a64de42b738552fe666ca889af77e28 av_one_half  avia-builder-el-8  el_after_av_one_half  el_before_av_textblock  flex_column_div av-zero-column-padding column-top-margin'     ><article  class='iconbox iconbox_left av-av_icon_box-ae11cb8be85b120bdb8876a7c6a4e212  avia-builder-el-9  avia-builder-el-no-sibling '  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class=\"iconbox_content\"><header class=\"entry-content-header\"><div class=\"iconbox_icon heading-color\" aria-hidden='true' data-av_icon='\ue8ce' data-av_iconfont='entypo-fontello'><\/div><h3 class='iconbox_content_title '  itemprop=\"headline\" >Sleep<\/h3><\/header><div class='iconbox_content_container '  itemprop=\"text\" ><p>Sleep cycle consists of 5 stages that are seen\u00a0on the Electroencephalogram (EEG):<\/p>\n<ul>\n<li>Stage 1: Sleep starts here with light sleep<\/li>\n<li>Stage 2: Entering proper sleep here with no eye movements &#8211; some rapid brainwaves.<\/li>\n<li>Stage 3: Entering deeper sleep with some very slow waves called delta waves.<\/li>\n<li>Stage 4: Deep sleep characterised by almost continuous Brain Delta Waves.<\/li>\n<li>REM: The well-known Rapid Eye Movement Sleep where the eyes flick quickly from side to side and dreaming occurs.<\/li>\n<\/ul>\n<\/div><\/div><footer class=\"entry-footer\"><\/footer><\/article><\/div>\n<section  class='av_textblock_section av-av_textblock-0366cc7376be6c9e82a3e9cc8987b64f'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h3>Sleep Inertia<\/h3>\n<p>The sleep cycle lasts around 90-100 minutes. Being woken up during stage 3 or 4 sleep is the worst time to wake up &#8230; it will take around half an hour to become fully functional (this varies considerably). Using an alarm clock will of course wake you at any stage &#8211; which might be stages 3 or 4. On the other hand, waking naturally is the ideal scenario &#8211; when there&#8217;s the choice! If you are woken in very deep sleep then you have to work with the <strong>sleep inertia<\/strong> &#8211; it will take time to fully &#8220;come to.&#8221;<\/p>\n<p>Let&#8217;s take an example: A Standby Pilots for\u00a0Aeromed. The pilot is sleeping and woken in the middle of stage 3 or 4 (deep) sleep to transfer a sick person from a remote location to a regional hospital. The pilot will not start with critical checks but will slowly get up, perhaps have a coffee, and get out a chart to peruse the big picture and get in the right frame of mind. The pilot will need to be\u00a0be fully vigilant (awake) before checking over the flight plan prior the final\u00a0&#8220;submit.&#8221;<\/p>\n<\/div><\/section>\n<div class='flex_column av-av_one_half-2a9015ff38129c418a3f2eafba3e9512 av_one_half  avia-builder-el-11  el_after_av_textblock  el_before_av_one_half  first flex_column_div column-top-margin'     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_image-da8977a49b0ba634cde5ef0bf8bd4b89\">\n.avia-image-container.av-av_image-da8977a49b0ba634cde5ef0bf8bd4b89 img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-av_image-da8977a49b0ba634cde5ef0bf8bd4b89 .av-caption-image-overlay-bg{\nopacity:0.4;\nbackground-color:#444444;\n}\n.avia-image-container.av-av_image-da8977a49b0ba634cde5ef0bf8bd4b89 .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-av_image-da8977a49b0ba634cde5ef0bf8bd4b89 av-styling- avia-align-center  avia-builder-el-12  avia-builder-el-no-sibling  noHover av-overlay-on-hover'   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><div class=\"av-image-caption-overlay\"><div class=\"av-caption-image-overlay-bg\"><\/div><div class=\"av-image-caption-overlay-position\"><div class=\"av-image-caption-overlay-center\"><p>Presbyopia: Seeing close-up needs Correction<\/p>\n<\/div><\/div><\/div><img class='wp-image-227 avia-img-lazy-loading-not-227 avia_image ' src=\"https:\/\/aviation-medical.com.au\/wp-content\/uploads\/2014\/11\/sleep-for-pilots.jpg\" alt='' title='Fatigue in Aviation'  height=\"331\" width=\"363\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/aviation-medical.com.au\/wp-content\/uploads\/2014\/11\/sleep-for-pilots.jpg 363w, https:\/\/aviation-medical.com.au\/wp-content\/uploads\/2014\/11\/sleep-for-pilots-300x273.jpg 300w\" sizes=\"(max-width: 363px) 100vw, 363px\" \/><\/div><\/div><\/div><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_one_half-2a64de42b738552fe666ca889af77e28\">\n.flex_column.av-av_one_half-2a64de42b738552fe666ca889af77e28{\n-webkit-border-radius:0px 0px 0px 0px;\n-moz-border-radius:0px 0px 0px 0px;\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div class='flex_column av-av_one_half-2a64de42b738552fe666ca889af77e28 av_one_half  avia-builder-el-13  el_after_av_one_half  el_before_av_one_full  flex_column_div av-zero-column-padding column-top-margin'     ><section  class='av_textblock_section av-av_textblock-0366cc7376be6c9e82a3e9cc8987b64f'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h3>Sleep Hygiene<\/h3>\n<p>Sleep Hygiene is a term that originates from the USA. It is a fairly prescriptive set of do&#8217;s and don&#8217;ts that helps a good night&#8217;s sleep.Some of the key ones are:<\/p>\n<ul>\n<li>Do only relaxing things in the bedroom &#8211; but no TV or going on the internet. Light reading is ideal.<\/li>\n<li>Do not drink Caffeine several hours before going to bed<\/li>\n<li>Do not exercise for at least 3 hours before going to bed<\/li>\n<li>When working regular\u00a0hours, try to get up at the same time each day<\/li>\n<li>When\u00a0lying in bed trying to sleep for more than around 20 minutes, then get up or put the light on and read something light until you feel sleepy &#8211; then go back to bed (this may be repeated)<\/li>\n<\/ul>\n<\/div><\/section><\/div>\n<div class='flex_column av-av_one_full-2a9015ff38129c418a3f2eafba3e9512 av_one_full  avia-builder-el-15  el_after_av_one_half  el_before_av_one_full  first flex_column_div column-top-margin'     ><section  class='av_textblock_section av-av_textblock-0366cc7376be6c9e82a3e9cc8987b64f'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p>Someone having difficulty sleeping\u00a0should not\u00a0over-think how they might feel the next day. Thoughts such as &#8220;I won&#8217;t cope with work tomorrow&#8221; are called <em>catastrophizing<\/em> thoughts and are unhelpful. The logical thought would be something like: <em>I am not at work now,<\/em>\u00a0or these<em> thoughts are\u00a0for tomorrow,<\/em>\u00a0or<em>\u00a0I have coped previously,<\/em>\u00a0or I<em> will go off to sleep when I need to<\/em>\u00a0&#8211; these cathartic thoughts are also actually true! This re-thinking is the core of Cognitive Behavioural Therapy (CBT).<\/p>\n<p>Also, people tend to underestimate how much time they have actually been asleep. Yes, there may be a fatigue issue but guessing how you will be in the daytime is just wasting energy anyhow &#8211; that&#8217;s a daytime activity!<\/p>\n<\/div><\/section><\/div>\n<div class='flex_column av-av_one_full-2a9015ff38129c418a3f2eafba3e9512 av_one_full  avia-builder-el-17  el_after_av_one_full  el_before_av_one_full  first flex_column_div column-top-margin'     ><section  class='av_textblock_section av-av_textblock-0366cc7376be6c9e82a3e9cc8987b64f'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h3>Do Sleeping Tablet Work?<\/h3>\n<p>A thorough and independent Drug &amp; Therapeutics Bulletin review (UK) eviewed all the sleeping tablets in detail. On average, the sleeping tablets \u00a0in randomised trials gave around <em>an extra 45-60 minutes sleep<\/em> &#8211; they are not anything like as effective as people think though of course anything helps. It surprises most people to hear this &#8211; maybe an extra hour&#8217;s sleep. That&#8217;s what the evidence shows. Of course there are very important risks of tolerance and dependency.<\/p>\n<p>It&#8217;s the tolerance of sleeping tablets that people are less aware of of &#8211; the phenomenon that the sleeping tablet is required to get a good night&#8217;s sleep because the brain has adapted to needing the tablet for regular use. In other words, the tablet seems to give a lot more than an hour&#8217;s extra sleep simply because the person going <em>without it<\/em> experiences <em>withdrawal<\/em> symptoms &#8211; <em>The resulting Insomnia on stopping the sleeper is\u00a0worse than the original insomnia.<\/em> This is a very common issue &#8211; huge numbers of people are dependent on sleeping tablets to get to sleep &#8211; not because they are working but because of the insomnia (caused by withdrawal) when the drug is discontinued.<\/p>\n<\/div><\/section><\/div>\n<div class='flex_column av-av_one_full-2a9015ff38129c418a3f2eafba3e9512 av_one_full  avia-builder-el-19  el_after_av_one_full  el_before_av_one_half  first flex_column_div column-top-margin'     ><section  class='av_textblock_section av-av_textblock-0366cc7376be6c9e82a3e9cc8987b64f'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h3>Fatigue Risk Management Systems<\/h3>\n<p>Commercial Pilots &amp; Controllers&#8217; rosters are usually\u00a0operated within FRMS (Fatigue Risk Management System).\u00a0FRMS are models of fatigue that take into account the time on duty and the time off duty.\u00a0FAID is a well known FRMS and the software\u00a0scores each person on their risk of\u00a0fatigue based on different roster scenarios.<\/p>\n<p>FRMS is a fact of life for many commercial pilots &amp; ACT, and at least avoids obvious over-work. FRMS is not without its\u00a0critics who question issues around individual variation\u00a0and scientific background. However, FRMS not meant to act as a fatigue management tool in isolation. Clearly, a FAID score over 80 is high, a score of under 40 is low, but the question arises as to what threshold should be used and this is bound to\u00a0have a subjective element.<\/p>\n<\/div><\/section><\/div>\n<div class='flex_column av-av_one_half-2a9015ff38129c418a3f2eafba3e9512 av_one_half  avia-builder-el-21  el_after_av_one_full  el_before_av_one_half  first flex_column_div column-top-margin'     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_image-bc51fb1dd4dd9d7dd723003c71615add\">\n.avia-image-container.av-av_image-bc51fb1dd4dd9d7dd723003c71615add img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-av_image-bc51fb1dd4dd9d7dd723003c71615add .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-av_image-bc51fb1dd4dd9d7dd723003c71615add av-styling- avia-align-center  avia-builder-el-22  avia-builder-el-no-sibling '   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img class='wp-image-225 avia-img-lazy-loading-not-225 avia_image ' src=\"https:\/\/aviation-medical.com.au\/wp-content\/uploads\/2014\/11\/jet-lag-for-pilots.jpg\" alt='' title='Jet Lag and Fatigue'  height=\"346\" width=\"346\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/aviation-medical.com.au\/wp-content\/uploads\/2014\/11\/jet-lag-for-pilots.jpg 346w, https:\/\/aviation-medical.com.au\/wp-content\/uploads\/2014\/11\/jet-lag-for-pilots-80x80.jpg 80w, https:\/\/aviation-medical.com.au\/wp-content\/uploads\/2014\/11\/jet-lag-for-pilots-300x300.jpg 300w, https:\/\/aviation-medical.com.au\/wp-content\/uploads\/2014\/11\/jet-lag-for-pilots-36x36.jpg 36w, https:\/\/aviation-medical.com.au\/wp-content\/uploads\/2014\/11\/jet-lag-for-pilots-180x180.jpg 180w, https:\/\/aviation-medical.com.au\/wp-content\/uploads\/2014\/11\/jet-lag-for-pilots-120x120.jpg 120w\" sizes=\"(max-width: 346px) 100vw, 346px\" \/><\/div><\/div><\/div><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_one_half-2a64de42b738552fe666ca889af77e28\">\n.flex_column.av-av_one_half-2a64de42b738552fe666ca889af77e28{\n-webkit-border-radius:0px 0px 0px 0px;\n-moz-border-radius:0px 0px 0px 0px;\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div class='flex_column av-av_one_half-2a64de42b738552fe666ca889af77e28 av_one_half  avia-builder-el-23  el_after_av_one_half  el_before_av_one_half  flex_column_div av-zero-column-padding column-top-margin'     ><section  class='av_textblock_section av-av_textblock-0366cc7376be6c9e82a3e9cc8987b64f'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h3>What works for Jet Lag?<\/h3>\n<p>In a nutshell, no medication &#8220;works&#8221; as such.<\/p>\n<p>Melatonin has its proponents but it&#8217;s not recommended for pilots. Temazepam is well-known though not usually for pilots.<\/p>\n<p>Professional Pilots will establish their own routine that works for long haul flights.<\/p>\n<\/div><\/section><\/div>\n<div class='flex_column av-av_one_half-2a9015ff38129c418a3f2eafba3e9512 av_one_half  avia-builder-el-25  el_after_av_one_half  el_before_av_one_half  first flex_column_div column-top-margin'     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_image-82ed5f8c30eddf1186eae0b816f25a33\">\n.avia-image-container.av-av_image-82ed5f8c30eddf1186eae0b816f25a33 img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-av_image-82ed5f8c30eddf1186eae0b816f25a33 .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-av_image-82ed5f8c30eddf1186eae0b816f25a33 av-styling- avia-align-center  avia-builder-el-26  avia-builder-el-no-sibling '   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img class='wp-image-226 avia-img-lazy-loading-not-226 avia_image ' src=\"https:\/\/aviation-medical.com.au\/wp-content\/uploads\/2014\/11\/jet-lag-travelling-west.jpg\" alt='' title='Jet Lag Direction'  height=\"302\" width=\"397\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/aviation-medical.com.au\/wp-content\/uploads\/2014\/11\/jet-lag-travelling-west.jpg 397w, https:\/\/aviation-medical.com.au\/wp-content\/uploads\/2014\/11\/jet-lag-travelling-west-300x228.jpg 300w\" sizes=\"(max-width: 397px) 100vw, 397px\" \/><\/div><\/div><\/div><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_one_half-2a64de42b738552fe666ca889af77e28\">\n.flex_column.av-av_one_half-2a64de42b738552fe666ca889af77e28{\n-webkit-border-radius:0px 0px 0px 0px;\n-moz-border-radius:0px 0px 0px 0px;\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div class='flex_column av-av_one_half-2a64de42b738552fe666ca889af77e28 av_one_half  avia-builder-el-27  el_after_av_one_half  el_before_av_one_full  flex_column_div av-zero-column-padding column-top-margin'     ><section  class='av_textblock_section av-av_textblock-0366cc7376be6c9e82a3e9cc8987b64f'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h3>Which Direction of Travel is worse?<\/h3>\n<p>Jet lag is of course worse travelling East, easily remembered by:<\/p>\n<ul>\n<li>East is a Beast<\/li>\n<li>West is Best, East is Least (well known for jogging the memory about magnetic deviation)<\/li>\n<\/ul>\n<\/div><\/section><\/div>\n<div class='flex_column av-av_one_full-2a9015ff38129c418a3f2eafba3e9512 av_one_full  avia-builder-el-29  el_after_av_one_half  el_before_av_one_full  first flex_column_div column-top-margin'     ><section  class='av_textblock_section av-av_textblock-0366cc7376be6c9e82a3e9cc8987b64f'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p>The Earth rotates towards the East. Therefore, when travelling east, the day is shortened &#8211;\u00a0\u00a0meaning that the time of usual sleep at the point of departure is now effectively\u00a0earlier. This phase advance is more problematic than phase delay.<\/p>\n<p>The equivalent non jet-lagged scenario is this: Most people would find it much easier to sleep\u00a0at 4am\u00a0(ditto travelling west) than 4pm in the afternoon (ditto travelling East).<\/p>\n<\/div><\/section><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_one_full-352b07ef7d3bc99b2e9f92e7a9e06bdb\">\n.flex_column.av-av_one_full-352b07ef7d3bc99b2e9f92e7a9e06bdb{\n-webkit-border-radius:0px 0px 0px 0px;\n-moz-border-radius:0px 0px 0px 0px;\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div class='flex_column av-av_one_full-352b07ef7d3bc99b2e9f92e7a9e06bdb av_one_full  avia-builder-el-31  el_after_av_one_full  avia-builder-el-last  first flex_column_div av-zero-column-padding column-top-margin'     ><p><div  class='hr av-av_hr-dcd2069817a0e3d34ae04cad8f3443c7 hr-default  avia-builder-el-32  el_before_av_textblock  avia-builder-el-first '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div><br \/>\n<section  class='av_textblock_section av-av_textblock-0366cc7376be6c9e82a3e9cc8987b64f'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h6>Dr Dick Beatty, specialist GP &amp; Designated Aviation Medical Examiner; BM FRACGP MRCP(UK) ACCAM<\/h6>\n<h6>Last Reviewed \/ Modified: 31\/03\/2015<\/h6>\n<h6>First Published: 4\/12\/2014<\/h6>\n<\/div><\/section><br \/>\n<div  class='hr av-av_hr-dcd2069817a0e3d34ae04cad8f3443c7 hr-default  avia-builder-el-34  el_after_av_textblock  el_before_av_social_share '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div><br \/>\n<div  class='av-social-sharing-box av-av_social_share-981f7761336080d54c04d7ac30ef78f7 av-social-sharing-box-default  avia-builder-el-35  el_after_av_hr  avia-builder-el-last  av-social-sharing-box-fullwidth'><div class=\"av-share-box\"><h5 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