Sentences with phrase «homeostatic sleep drive»
But the brain scans revealed a complicated interaction between two basic biological processes: the body's central «circadian rhythm,» which pushes people to be awake and active during daylight, and wind down when it gets dark; and «homeostatic sleep drive,» which pressures people to go to bed when they've been awake too long.
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The need to sleep appears to be primarily driven by two systems: circadian and homeostatic.