SLEEP

Why do people need sleep?

A night of uninterrupted sleep can give our bodies and minds recharged for the next day.

you are what you sleep

How Sleep Works For Our Body

Why nighttime sleep is important?

Why do we feel tired & sleepy at night?

NREM and REM (rapid eye movement) sleep

States and stages of sleepNREM: 75% of night

Stage 1Stage 2Stages 3 and 4 ----deep sleep, difficult to awake, hormones are

released for growth and development

REM: 25% of night 90 minutes after falling

asleep dreams occureyes move

back and forth

People need 7 to 9 hours to feel well rested.

Do you think teens who fall asleep in class have bad habits and/or are lazy?

Do you think the older you get, the fewer hours of sleep you will need?

Sleep patterns may change, but need for sleep remains the same.

• easily broken or damage

• sleep patterns change

Women’s sleeping habits will change through their life: pregnancy, menopause.

Do you think you can “cheat” on the amount of sleep you get?

Do you think health problems are related to the amount and quality of a person’s sleep?

Our 24/7 society and nature’s clock

Jet lag Shift work

Sleep apnea

Insomnia

Sleepless Nights Equals Danger

A short nap of 20-30 minutes can help to improve mood, alertness, and performance.

• Planned napping

• Emergency napping

• Habitual napping

Adjust your sleep clock

• Go to bed at the same time each night and wake up at the same time each morning.

Tips for good sleep

Avoid caffeine and nicotine Avoid alcohol.Exercise regularly, but at lease 3 hours before

bedtime. Build a regular relaxing bedtime routine (e.g. taking a bath) Create a sleep environment is dark, quiet and preferable cool and comfortable.

Or, you can get a new hair cut.

Thank you and good night.Demi Lin