Article

Damped Physical Activity and Unstable Sleep: Fitbit-Derived Rest-Activity Phenotypes in Inter-episode Mood Disorders

2026-08-18

Abstract excerpt

<h4>Introduction: </h4> Abnormal rest-activity patterns are a diagnostic feature of acute mood episodes and often a warning sign of recurrence, yet evidence for their persistence during euthymia is sparser, drawn largely from small, short actigraphy studies, and no study has directly compared depression (MDD) and bipolar disorder (BD) rest-activity phenotypes within the same cohort at scale. <h4>Methods:</h4> We a...

Topics

Open a Topic to create a Post that cites this publication.

Identifiers and source

Literature Corpus work: 0a993a8a-30e1-5bee-8a39-23acc2da3b81
DOI: 10.64898/2026.08.16.26360544

Open publication

Related research

Semantic proximity does not establish scientific evidence.

Click a neighbor to travelStep 1 · 12 closest

Damped Physical Activity and Unstable Sleep: Fitbit-Derived Rest-Activity Phenotypes in Inter-episode Mood DisordersDOI 10.64898/2026.08.16.26360544Read

Rest-Activity Rhythm Variability Across Clinical Episodes of Bipolar Disorder: Standalone Biomarker or Statistical Artifact?Semantic proximity Read

Stability and Volatility of Human Rest-Activity Rhythms: Insights from Very Long Actograms (VLAs)Semantic proximity Read

Identifying mood instability and circadian rest-activity patterns using digital remote monitoring and actigraphy in participants at risk for bipolar disorderSemantic proximity Read

Transdiagnostic Domain-specific Cognitive Impairment in Inter-episode Mood Disorders and its Relationship with Rest-Activity PhenotypesSemantic proximity Read

The Ecology of Human Sleep (EcoSleep) Project: Protocol for a longitudinal cohort repeated-measurement-burst study to assess the relationship between sleep determinants and sleep outcomes under real-world conditions across time of yearSemantic proximity Read

Seasonal variation in mood and the dynamics of sleep, activity, circadian rhythms, and lightSemantic proximity Read

Depression and Bipolar Disorder Subtypes Differ in their Genetic Correlations with Biological RhythmsSemantic proximity Read

Familial risk for depression is associated with reduced physical activity in young adults: evidence from a wrist-worn actigraphy study.Semantic proximity Read

Intraday Location Variance as a Digital Marker for Mood Dynamics and Diagnosis in Bipolar and Major Depressive DisordersSemantic proximity Read

Phenome-Wide Association Study of Actigraphy in the UK BiobankSemantic proximity Read

Forecasting the course of bipolar disorder using rest-activity rhythms: Protocol for a multi-study modelling projectSemantic proximity Read

Short-term and long-term phenotypic stability of actigraphic sleep metrics involving repeated sleep loss and recovery.Semantic proximity Read