Effects of smartphone use with and without blue light at night in healthy adults: A randomized, double-blind, cross-over, placebo-controlled comparison

JY Heo, K Kim, M Fava, D Mischoulon… - Journal of psychiatric …, 2017 - Elsevier
Blue light is the most potent wavelength for sleep and mood. This study investigated the
immediate effects of smartphone blue light LED on humans at night. … with a randomized, double-…

Preliminary results: the impact of smartphone use and short-wavelength light during the evening on circadian rhythm, sleep and alertness

C Höhn, SR Schmid, CP Plamberger, K Bothe… - Clocks & sleep, 2021 - mdpi.com
… reading on a smartphone without a blue light filter compared … could have even further health
consequences. Although we … , followed by a randomly varying interstimulus interval between …

The effect of reducing blue light from smartphone screen on subjective quality of sleep among students

P Randjelović, N Stojanović, I Ilić… - Chronobiology …, 2023 - Taylor & Francis
random conversation on the screen. We used two different smartphones which were mostly
used … In everyday life, especially at night, it is not normal to use such a bright screen. Usually …

Blocking nocturnal blue light for insomnia: A randomized controlled trial

A Shechter, EW Kim, MP St-Onge… - Journal of psychiatric …, 2018 - Elsevier
… findings have health relevance given the broad use of light-… To our knowledge, no study
to date has utilized a randomized … , tablets, smart phones) used before bedtime on circadian …

Does iPhone night shift mitigate negative effects of smartphone use on sleep outcomes in emerging adults?

KM Duraccio, KK Zaugg, RC Blackburn, CD Jensen - Sleep Health, 2021 - Elsevier
… emerging adults, making the use of a blue light blocker on a … To our knowledge, no studies
have examined the effects of Night … sleep outcomes in emerging adults randomized to one of …

Effects of automated diurnal variation in electronic screen temperature on sleep quality in young adults: a randomized controlled trial

AM Smidt, MJ Blake, MD Latham… - Behavioral Sleep …, 2022 - Taylor & Francis
… using a smartphone and/or laptop computer two hours before … blue light from screens
seems to have a most clear effect on … or not reducing the color temperature of young adults’ …

Nighttime Smartphone Use: Evaluating the Effect of Reducing Blue Light Emissions from Smartphones on Sleep Onset Latency and Duration

MS Namekata - 2020 - search.proquest.com
… Participants randomized to the condition of activating Night Shift® set the mode to … Further,
the interaction of total smartphone usage and Nigh Shift® condition did not significantly …

Interventions to reduce short-wavelength (“blue”) light exposure at night and their effects on sleep: A systematic review and meta-analysis

A Shechter, KA Quispe, JS Mizhquiri Barbecho… - Sleep …, 2020 - academic.oup.com
smartphones, televisions, computers, and increasingly, domestic … phases were randomized
but do not describe the method of … (SE) but did not alter WASO in healthy adults exposed to …

Do blue light filter applications improve sleep outcomes? A study of smartphone users' sleep quality in an observational setting

M Rabiei, SJ Masoumi, M Haghani… - … Biology and Medicine, 2024 - Taylor & Francis
… the impact of blue light filter application on decreasing blue light … using blue light filters on
smartphones may not significantly … sleep quality and quantity in healthy adults. The findings of …

How smart is it to go to bed with the phone? The impact of short-wavelength light and affective states on sleep and circadian rhythms

SR Schmid, C Höhn, K Bothe, CP Plamberger… - Clocks & Sleep, 2021 - mdpi.com
… We hypothesized that reading on a smartphone without a filter … This model encompassed
a random factor to consider the … we only included mentally healthy subjects who in general …