sleep vocab

Front

Innate timing devices in organisms; most human cells and organs have a clock that produces circadian rhythms.

Back

biological clocks

Front

A chemical substance in coffee, tea, and cocoa that stimulates the brain and body, making you feel awake and alert.

Back

caffeine

Front

Internal circadian rhythm influencing 24-hour sleep/activity cycle (your 'sleep personality').

Back

chronotype

Front

(noun): physical, mental, and behavioral changes following a 24-hour day-night cycle.

Back

circadian rhythms

Front

(noun): small DNA section with instructions for a specific protein.

Back

gene

Front

Small area in the center of the human brain, crucial for hormone production and stimulating body processes.

Back

hypothalamus

Front

Disruption of circadian rhythms from long-distance travel causing extreme tiredness and physical effects.

Back

jet lag

Front

Hormone that regulates sleep, increasing in darkness and decreasing in light.

Back

melatonin

Front

Cell in the nervous system that transmits info to nerve, muscle, or gland cells.

Back

Neuron

Front

Large, complex molecules essential for life processes, key in the structure, function, and regulation of tissues and organs.

Back

Proteins