INTRODUCTION The human circadian timing system generates multiple circadian rhythms. One of the characteristics of a rhythm is the phase. The circadian phase could be defined as the time at which the circadian rhythm of a variable reaches a particular state (Van Dongen, 1998). Substantial inter-individual differences in the circadian phase of several variables have been observed (Foret, 1982; K...

Abstract This study aimed to examine the associations of both subjectively and objectively measured sleep with self-reported level physical activity among older adults, explore possible moderative role chronotype in these associations. Baseline data 116 community-dwelling adults without dementia from three prior studies were included. Pittsburgh Sleep Quality Index Actigraphy used as subjective...

Background and Objective Intermittent fasting has become a popular topic in recent years, with many people turning to this dietary approach improve their health manage weight. It also been studied for its potential impact on various aspects of health, including sleep physical performance. This study aimed investigate the impacts intermittent during Ramadan chronotype quality aerobic performance...