Sleep doctor tells Anderson how long a power nap should be

Dr. Raj Dasgupta tells Anderson Cooper how to get better sleep and how long a power nap should be. Watch “Full Circle” Monday, Tuesday and Friday at 6p E.T.

Dr. Raj Dasgupta tells Anderson Cooper how to get better sleep and how long a power nap should be. Watch “Full Circle” Monday, Tuesday and Friday at 6p E.T.