Harvard Sleep Study
Harvard University

The Science of Happiness

Sleep Study Logger — PSYC E-1680

Digital Abstinence and Well-Being: An A-B-A-B Self-Experiment

Morning entry saved.

Mood rating

0 8
4
Extremely poorExtremely good
Evening entry saved.

Productivity rating

0 10
5
Not at allExtremely productive

Device documentation

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PSQI saved.

Pittsburgh Sleep Quality Index

Complete at the end of each phase. Reflect on the past week only.

Global PSQI score (auto-calculated)
0
Score above 5 indicates poor sleep quality