Sleeping… 1/3 of our lives are spent sleeping… The record for the longest period without sleep is 18 days, 21 hours, 40 minutes during a rocking chair marathon. The record holder reported hallucinations, paranoia, blurred vision, slurred speech and memory and concentration lapses. A new baby typically results in 400 to 750 hours lost sleep for parents in the first year. As a group, 18 to 24 year-olds deprived of sleep suffer more from impaired performance than older adults…Experts say one of the most alluring sleep distractions is the 24-hour accessibility of the internet. The extra-hour of sleep received when clocks are put back at the start of daylight in Canada has been found to coincide with a fall in the number of road accidents
Why is sleep so important? Revive the tired body Build resistance to infections Help recover from stress Store information from the day Primitive Hibernation…conserve energy Adaptive Process…stay out of harms way To clear minds of useless information
Is sleep emotional…or biological??? Are you a morning person???...when do you feel the most alert? Circadian Rhythm… “ A biological clock that is genetically programmed to regulate physiological responses within a time period of 24-25 hours” Assists in the 24 hour sleep-wake cycle, even absent environmental cues Changes the body…temp, blood pressure, brain waves, heart beat, appetite. etc… Jet Lag: for every hour difference, takes one day to reset!
Brain Waves As our brain waves change, so too do our states of consciousness. Beta – Awake and Alert Alpha – Relaxed and drowsy Theta – Light Sleep, REM Sleep Delta – Deep Sleep
SLEEP SLEEP S SLEEP SLEEP SLEEP There are FIVE stages of sleep… Stage 1: Hypnagogic and Light Sleep Relaxed State / Light Sleep Many experience sudden muscle contractions preceded by a sensation of falling. Alpha to Theta Brain Waves If woke up, you’d say you were “Drifting” Stages 2-4: Light to Deep Sleep Theta to Delta Brain Waves Stage 4 = most difficult to awaken Stage 4 = Deepest sleep, Delta waves Stage 5: REM Sleep Rapid-Eye Movements Theta Brain Waves Face and fingers twitch, but Large muscle groups paralyzed… Most interesting and vivid dreams
The Sleep Cycle… One complete cycle lasts approximately 90-100 minutes Average sleep period = 4-5 rotations