brain function

Can I Get By with Less Sleep?

A lot of cognitive and behaviour problems have poor sleep at the core. Research indicates that poor sleep leads to higher cortisol levels (cortisol controls stress); consequently, with less sleep, you are more stressed out. Also, your brain cells get regenerated (due to IgF-1 production) during the early hours of sleep. Naturally, the later you go to bed, the more you are at risk for declining brain function.
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