A health psychologist in a clinical setting is trained to help someone
A. Overcome social anxiety
B. Better understanding their illness and address health barriers
C. Change healthy policy in the community and overcome health disparities
D. Work out anger they have toward their parents

Because without physical activity, the body has extra "energy" if you will, and so when it is time for bed you are not tired, so you end up staying up all night. also there is probably an effect on your internal clock, which messes with your melatonin production which goes hand in hand with your sleep cycle

Whats the