Sleep PRESENTATION BY TAYLOUR KUHN Facts about sleep

Sleep PRESENTATION BY TAYLOUR KUHN

Facts about sleep Humans spend a third of their life sleeping. The record for longest period without sleep is 11 days. Lack of sleep can cause weight gain of about 2 pounds in under a week Memories take hold better during sleep

Why do we sleep? No one knows for sure, but scientists have theories… Energy Conservation Restorative Brain plasticity theory

Theories – Energy Conservation Body temperature and caloric needs decrease during sleep Sleep occurs at times that are inefficient to search for food Bears hibernate during winter months when resources are scarce.

Theories - Restorative Repair and rejuvenate Restorative Muscle functions growth, tissue repair, protein synthesis Animals deprived of sleep lost immune function and died within a few weeks Brain produces adenosine

Theories - Brain plasticity theory Less understood than other theories Many studies tie sleep, learning, and memory together Studies found sleep deprivation have on people’s abilities to learn and perform a variety of tasks. Sleep has critical role in brain development

How much sleep do we need?

Side effects of lack of sleep Obesity Diabetes Depression Moodiness Heart Disease

How to get more sleep Keep a regular sleep schedule Wake up at the same time every day Be smart about napping: limit to 30 minutes in the afternoon Follow a natural sleep cycle ie: melatonin and sunlight cycles Turn off television or other devices close to bed time Make sure room is dark Set a relaxing bedtime routine Eat right and exercise regularly Avoid big meals before bed

Fun fact Ever be woken up because you feel like you were falling? It’s called hypnic jerks What causes hypnic jerks? Stress Anxiety Alcohol Caffeine Very tired or fatigued

References Harvard Medical School. (2007). Why do we sleep, anyway? . Retrieved from http: //healthysleep. med. harvard. edu/healthy/matters/b enefits-of-sleep/why-do-we-sleep http: //www. factslides. com/s-Sleep# http: //www. nosleeplessnights. com/the-hypnic-jerkjolted-awake-when-falling-asleep/ http: //sleepfoundation. org/how-sleep-works/how-muchsleep-do-we-really-need http: //www. healthline. com/health/sleepdeprivation/effects-on-body