Sleep Quality Tracker Excel — Consensus Sleep Diary Method (Latency, Awakenings, WASO, Efficiency)

Uses the actual Consensus Sleep Diary methodology from clinical sleep research -- the same 4 core measures sleep researchers and clinicians track: sleep latency (healthy range 10-15 min), number of awakenings, wake-after-sleep-onset (WASO), and sleep efficiency (85%+ considered healthy). Log your nightly bed/wake times and the spreadsheet automatically calculates your real sleep efficiency and flags nights below the healthy threshold -- more rigorous than most consumer sleep trackers.

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