4 items
A 4-item momentary sleep quality battery covering quality, duration, latency, and daytime restoration. Suitable for daily diary and EMA protocols.
Scoring
Items are treated individually. No composite score; each dimension is interpreted separately.
Citation
Adapted from the Pittsburgh Sleep Quality Index (Buysse et al., 1989) for EMA use.
doi:10.1097/00006534-198905000-00087License: Free for research use.
Quality
How would you rate your sleep quality last night overall?
1–5 · "Very poor" → "Very good"
Duration
How many hours did you sleep last night? (approximate)
0–12 · "0 h" → "12 h"
Latency
How long did it take you to fall asleep last night?
< 15 minutes · 15–30 minutes · 30–60 minutes · > 60 minutes
Restoration
How rested do you feel this morning?
1–5 · "Not at all rested" → "Very well rested"
Use this scale in your own ESM/EMA study — embed it as a survey within SMAAT.