Biological rhythms RESEARCH

1. Circadian rhythms: removed hamsters SCN, their rhythms disappeared. Transplanted SCN tissue restored their rhythms (6)
4. Jet lag: usefulness of melatonin in treating jet lag, most effective when taken later than earlier (3 days later compared to three days before) (6, 2, 2)
5. Function of sleep: protection from harm! (6)
8. Jet lag: supports schwartz, analysis of baseball teams, east to west teams won 44% of games, west to east won 37% (4, 2, 2)
9. Reviewed 50 studies of sleep deprivation,very few showed serious effects (5)

2. Volunteers spent 6 weeks in bed, amount of sleep was similar to normal (7, 3, 5)
3. Sleep walking practical app: killed his 82 year old father, not guilty due to insanity (5, 4)
6. Marathon runners slept 1 and 1/2 hours longer for 2 nights after their marathon, 45% sws compared to 25% (8)
7. Insomnia: longitudinal study, 1000 children from birth, a correlation between family conflict (9-18) and insomnia (7)
10. Deprived rats of sleep for 4 weeks, lost weight, temp became unstable, thyroid gland failed, immune failure, all died by 4 weeks (13)

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