More cards in this set

When is body temperature lowest and highest?

When is there a 'trough' in body temperature?

When is cortisol highest and lowest?

What hormones peak at midnight?

Why is there said to be flaws in research in to circadian rhyt,ms sleep/wake cycle? What researcher said this?

What are the two important individual differences in people relating to the sleep/wake cycle?

Who says that temperature is linked to lower cognitive ability?

What were the bad things about Michael Siffres research?

What did Gresbrecht find?