Objective estimation of sleep can utilize a range of technologies. For field-based recordings,
the most accepted approach is “actigraphy,” or movement-based estimation of sleep versus …

Abstract Study Objectives: To compare 2 commercially available actigraphs. Design:
Subjects wore the Actiwatch® L and the Basic Mini-otionlogger® for 2 nights. Setting …

Purpose Using a mixed-method approach, this investigation aimed to examine athletes'
sleeping patterns along with the socio-physiological acute and chronic stressors affecting …

Abstract Study Objectives Consumer sleep-tracking devices are widely used and becoming
more technologically advanced, creating strong interest from researchers and clinicians for …

Although accelerometers can assess sleep and activity over 24 h, sleep data must be
removed before physical activity and sedentary time can be examined appropriately. We …

To evaluate the criterion validity of an automated sleep detection algorithm applied to data
from three research‐grade accelerometers worn on each wrist with concurrent laboratory …

This study aims to describe the athletes' sleep regularity using the Sleep Regularity Index
(SRI) and determine whether factors, such as sex, competitive level and sport type, could …

Physical activity and sleep monitoring in daily life provide vital information to track health
status and physical fitness. The aim of this study was to establish concurrent validity for the …

Objectives: We validated actigraphy for detecting sleep and wakefulness versus
polysomnography (PSG). Design: Actigraphy and polysomnography were simultaneously …

Sleep is also crucial for athletic performance and recovery. 2 Even though physical activity
(PA) and exercise improve sleep, 3 poor sleep is prevalent among elite-level athletes. 4 We …