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What does sleep do for us?

 

   Sleep...

Helps regulate hormones.

  • Levels of the hormone cortisol drop at the start of theand then increase during sleep to promote alertness in the morning.

  • Sleep helps regulate ghrelin and leptin, which play a role in hunger and fullness cues.

    • If you are ​tired, you are likely to eat more.

Contributes to a healthy immune system.

  • Research suggests that the body produces fewer infection-fighting antibodies when sleep deprived.

  • Studies have also shown that individuals are more likely to catch a cold when sleep deprived and that vaccines can actually be less effective after insufficient sleep.

affects your brain.

  • ​Your brain is likely to remove toxic byproducts while you are asleep.

    • A 2013 study in mice found that waste removal systems in the brain are more active during sleep.

  • Your brain cements new memories​!

  • Nerve cells rewire themselves. 

  • Your mood is regulated. 

    • ​A study found that after a week of getting 4 and a half hours of sleep a night, individuals reported worse moods!

Increases collagen production.

  • Collagen is a protein that strengthens blood vessels and provides skin elasticity.

Slows kidney function.

  • Your kidneys are the organs that filter your blood and produce urine.

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