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Two main processes that regulate sleep:

Circadian Rhythms

  • Respond to light cues

  • Cause an increase in melatonin production at night

Many airplane pilots and night shift workers have disrupted circadian rhythms.

Sleep Drive

  • Your body will force you to sleep when you need it!

This is the           in class

reason why        even if

we fall                   we don't

asleep                   mean to!

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