The v4.68 Public Preview algorithm is aggressively over-smoothing data, masking wake events as "light sleep." Comparing one night: New Fitbit (9h, 84 score), Legacy Fitbit (8.5h, 77 score), and Garmin (8h, 48 score). The update ignores conscious wakefulness and physiological stress, resulting in artificially high scores that deviate from objective
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