tea - Search - Sleep Data - National Sleep Research Resource

Health Interview (Sleep Heart Health Study Visit One (SHHS1)): cups of tea on a regular day

tea15 under Lifestyle and Behavioral Health/SHHS1 in SHHS variables

How many cups of tea (with caffeine) do you drink on a regular day? (Number of cups of tea, up to 2 digits)

Caffeine intake, number of cups of coffee or tea per day

cups_coffee under Lifestyle and Behavioral Health in WSC variables

How many cups of coffee or tea, with caffeine, do you usually drink in a typical day?

Sleep Habits (Sleep Heart Health Study Visit Two (SHHS2)): Cups of tea per day

sh326 under Lifestyle and Behavioral Health/SHHS2 in SHHS variables

How many cups of regular tea (with caffeine) do you drink on a typical day?

Morning Survey (Sleep Heart Health Study Visit One (SHHS1)): cups of tea before bed

tea10 under Sleep Monitoring/Polysomnography/Evening and Morning Survey/SHHS1 in SHHS variables

How many cups of tea (with caffeine) 4 hours before going to sleep last night? (number, up to 2 digits)

Morning Survey (Sleep Heart Health Study Visit Two (SHHS2)): cups of tea before bed

ms210b 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.) b. ____ cups of tea (with caffeine)

Over the last month, have you experienced: used coffee, tea, or other caffeine drinks to stay awake during your normal waking time

caffdrk under Sleep Questionnaires/Hypersomnia in CFS variables

Caffeine consumption, number of cups per day

caffeine under Lifestyle and Behavioral Health in HEARTBEAT variables

In the last month, how often did you drink beverages containing caffeine (cola, coffee, tea, etc.)?

Caffeine consumption, number of servings per day

soclhx_0900 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)

Caffeine consumption, rarely or never

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

How often do you consume caffeinated products (like coffee, tea, energy drinks, etc)?

subs_caff_1 under Lifestyle and Behavioral Health in ANSWERS variables

Cups of tea on typical day

sqea22 under Sleep Questionnaires/Sleep Habits in HCHS variables

Number of caffeinate beverages per day?

slh8 under Sleep Questionnaires/Sleep Habits in CHAT variables

Such as cola, coffee, tea, etc.

Sleep Diary: amount of tea/coffee/cola on day of study

caffeine under Sleep Monitoring/Polysomnography/Evening and Morning Survey in CFS variables