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ms210a
under
Sleep Monitoring/Polysomnography/Evening and Morning Survey/SHHS2
in
SHHS variables
How many of the following drinks with caffeine did you have during the 4 hours before you went to sleep last night? (Please write "0" if you did not drink any of that beverage.) a. ____ cups of regular coffee (with caffeine)
soclhx_0901
under
Lifestyle and Behavioral Health
in
STAGES variables
How many servings of caffeine do you typically have in one day? (one serving equals 8oz. of coffee, 8oz. of tea, 12oz of soda, 12oz energy drink) I rarely or never drink caffeine