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Also, the control group is not someone reading a book with a lamp, but someone reading a book in a dark room without a lamp. So really it boils down to 'light'
by nautilius 5y ago
Also, the control group is not someone reading a book with a lamp, but someone reading a book in a dark room without a lamp. So really it boils down to 'light' or 'no light'.
- vanilla_nut 5y agoSo sleeping? Not sure how you read in complete dark…
- nautilius 5y ago"very dim room"...
- manicdee 5y agoThe control group was allowed to use reading lamps and adjust lights and seating position to their liking.
- nautilius 5y agoCan you point me where that is described? All I find is "(ii) reading a printed book in the same very dim room light for ∼4 h before bedtime for five consecutive evenings", highlight mine.