Abstract Objectives Apple's iPhone Night Shift feature purports to reduce short-wavelength
light emissions and improve sleep. We aimed to investigate these claims by comparing …

Background Round-the-clock use of smartphones holds a potential for awakenings and/or
shorter sleep duration, which may have adverse health consequences. We aim to describe …

Smartphones have become an integral part of people's everyday lives. Smartphones are
used across all household locations, including in the bed at night. Smartphone screens and …

Abstract Study Objectives This study investigated the complex relationship between
nighttime smartphone use, sleep, and mental health among adult populations in Denmark …

Objective To examine the differences between objective and subjective measures of
smartphone use at night as predictors of sleep quality and psychological well-being: anxiety …

Background Smartphones are increasingly integrated into everyday life, but frequency of
use has not yet been objectively measured and compared to demographics, health …

The negative consequences of deteriorated sleep have been widely acknowledged.
Therefore, research on the determinants of poor sleep is crucial. A factor potentially …

The use of smartphones/electronic devices and their relationship with outcomes are
understudied in adult populations. We determined daytime functional correlates of using …

Previous research associated smartphone use with worsened sleep among adolescents.
However, the prior findings were mainly based on cross-sectional, self-reported data, and a …

Objective Physical exercise has the potential to mitigate addictive behaviors and relevant
health issues. However, the nighttime exercise has not been studied regarding this research …