Содержание
- 2. An elephant sleeps only 2 hours a day. Gorillas and domestic cats sleep about 18 hours
- 3. After 36 hours without sleep After 72 hours without sleep The tired brain can overcome fatigue
- 4. If the body does not need sleep, why do people feel so awful when they are
- 5. The daily cycle of activity is: of some 7-8 hours’ sleep alternating with some 16-17 hours’
- 6. People can change from working in the day to working at night. It usually takes from
- 7. Permanent night worker Disturbed sleep Digestive disorder Domestic disruption
- 8. People engaged in normal daytime work will have a high temperature during the hours of wakefulness
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