There are studies reporting the negative impact of smartphone utilization on sleep. It is
considered that reduction of melatonin secretion under the blue light exposure from smart …

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 …

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

Purpose The objective of this study was to find out the association between mobile use and
physiological parameters of poor sleep quality. It also aimed to find out the prevalence of …

Background: Exposure to light from viewing devices at night disturbs the circadian rhythm,
especially sleep. The study aimed to assess (a) extent to which smart phones are used by …

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

Background: It has been shown that short-wavelength blue component of the visible light
spectrum can alter the circadian rhythm and suppress the level of melatonin hormone. The …

We studied the association between objectively measured smartphone usage and
objectively measured sleep quality and physical activity for seven consecutive days among …

The around‐the‐clock smartphone use and its relation to disturbed sleep is a public health
concern. The present study aimed to quantify the effects of different dimensions of …

Smartphones deliver light to users through Light Emitting Diode (LED) displays. Blue light is
the most potent wavelength for sleep and mood. This study investigated the immediate …