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Overnight affective dynamics and sleep characteristics as predictors of depression and its development

Published online by Cambridge University Press:  13 August 2021

O. Minaeva ,
S. George ,
A. Kuranova ,
M. Wichers ,
H. Riese  and
S. Booij
O. Minaeva*
Affiliation:
Department Of Psychiatry, University of Groningen, University Medical Center Groningen, Groningen, Netherlands
S. George
Affiliation:
Department Of Psychiatry, University of Groningen, University Medical Center Groningen, Groningen, Netherlands
A. Kuranova
Affiliation:
Department Of Psychiatry, University of Groningen, University Medical Center Groningen, Groningen, Netherlands
M. Wichers
Affiliation:
Department Of Psychiatry, University of Groningen, University Medical Center Groningen, Groningen, Netherlands
H. Riese
Affiliation:
Department Of Psychiatry, University of Groningen, University Medical Center Groningen, Groningen, Netherlands
S. Booij
Affiliation:
Department Of Psychiatry, University of Groningen, University Medical Center Groningen, Groningen, Netherlands
*
*Corresponding author.

Abstract

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Introduction

Greater affective inertia during the day (higher carry-over effects of prior affect to the current moment) is associated with depression and its development. However, the role of overnight affective inertia (from evening to morning) in depression, and the role of sleep therein, has been scarcely studied.

Objectives

We examined i) the difference in overnight inertia for positive (PA) and negative affect (NA) between individuals with past depression, current depression, and no depression; ii) how sleep duration and quality influence overnight affective inertia in these groups, and iii) whether overnight affective inertia predicts depression development.

Methods

We used data of 579 women from the East-Flanders Prospective Twin Survey. First, individuals with past (n=82), current (n=26), and no depression (n=471) at baseline were examined, and then individuals who did (n=58) and did not (n=319) develop depression at 12-months follow-up. Affect was assessed 10 times a day for 5 days. Sleep was assessed with sleep diaries. Affective inertia was operationalized as the influence of affectt-1 on affectt. Linear mixed-effect models were used to test the hypotheses.

Results

Overnight affective inertia was not associated with depression, neither was it differently associated with sleep characteristics in the depression groups. However, sleep characteristics were more negatively associated with morning NA in both depression groups compared to the non-depressed group. Overnight affective inertia did not predict the development of depression at follow-up.

Conclusions

Depression and sleep characteristics might be more related to mean affect levels rather than to more complex emotion dynamics measures. Replication of these findings with longer time-series is needed.

Keywords

Affective inertiaDepressionsleepExperience Sampling Method
Type
Abstract
Information
European Psychiatry , Volume 64 , Special Issue S1: Abstracts of the 29th European Congress of Psychiatry , April 2021 , pp. S327
Creative Commons
Creative Common License - CCCreative Common License - BY
This is an Open Access article, distributed under the terms of the Creative Commons Attribution licence (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted re-use, distribution, and reproduction in any medium, provided the original work is properly cited.
Copyright
© The Author(s), 2021. Published by Cambridge University Press on behalf of the European Psychiatric Association
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