In April 2019 researchers from Turkey published their overview of the effect the circadian rhythm has on metabolic processes and energy balance. They stated that the circadian rhythm or circadian clock plays a crucial role in many processes, but the increase in 24-hour per day activities, including the usage of television, internet, and mobile phones, had led to a gradual decrease in adequate sleeping time. According to recent research, long-term circadian disruptions are associated with many medical conditions such as premature death, obesity, impaired glucose tolerance, diabetes type 2, psychiatric disorders, anxiety, depression, and cancer progression, whereas short-term disruptions are associated with impaired wellness, tiredness, and loss of concentration.
Serin Y, Acar Tek N. Effect of Circadian Rhythm on Metabolic Processes and the Regulation of Energy Balance. Ann Nutr Metab. 2019 Apr 23;74(4):322-330