What A Terrible Idea!

We are back this week with part 2 of the sleep trilogy, talking about circadian rhythm and sleep pressure; these are our biggest regulators of sleep and tiredness, and wakefulness.  In this episode you will learn: - What your circadian rhythm is - How your circadian rhythm helps to regulate your sleep - What sleep pressure is - Why caffeine makes you feel less sleepy  - Why drinking coffee late at night is a terrible idea even if you fall asleep fine  Circadian Rhythms….What do you need to know? Circadian rhythm is essentially our bodies internal clock, located in the brain in part of the hypothalmus called the suprachiasmatic nucleus. The reason we are interested in this daily cycle is that the onset of sleep is in part regulated by a melatonin spike in the evening, which is part of a normal circadian rhythm. Circadian rhythms differ person to person and have a genetic aspect called your chronotype influencing whether you have a preference to sleep earlier and wake earlier, or sleep later an