Table 2.

Mobile applications' functionalities.

App Name	Functionalities
Airweave sleep analysis	Sleep cycle measurement and graphing, smart alarm.
Circadia Track	Sleep diary, sleep metrics and sleep stages analysis, contactless sleep tracking.
Jukusui	Snoring logs, sleep log, music, smart alarm.
Sleep Central	Sleep, HR, RR*, and body movement recording, music, smart alarm.
Sleeptic:Sleep Track & Smart AlarmClock	Smart alarm, music, sleep recording and scoring, Google Fit integration.
Zen Sleep Cycle Alarm Clock	Smart alarm, sleep staging, dream log.