Study	Reason for exclusion
Belyavskiy 2010	Wrong population (obstructive sleep apnoea).
Caravita 2022	Wrong population (mixed population without individual data).
Connaughton 1984	Non‐randomised study.
DeBacker 1995	Non‐randomised study.
Dubowitz 1998	Wrong study design (case‐control).
Ginter 2020	Wrong population.
Jaffuel 2021	Non‐randomised study.
Javed 2020	Wrong intervention.
Murray 1977	Non‐randomised study.
Naghan 2019	Wrong population.
Naghan 2020	Wrong population.
NCT00746954	Wrong population.
NCT01500473	Non‐randomised study.
NCT02670096	Wrong population.
Obernadorfer 2000	Wrong population.
Passino 2021	Wrong population.
Prowting 2021	Wrong population.
Rastogi 2020	Wrong population.
Saletu 1999	Wrong population.
Schumacher 2014	Wrong population.
Schwarz 2020	Non‐randomised study.
Shore 1983	Non‐randomised study.
Sin 1999	Non‐randomised study.
Sorokina 2019b	Non‐randomised study.
Ulrich 2013	Wrong population.
Ulrich 2015	Wrong population.
Westwood 2012	Non‐randomised study.
Yasuma 2006	Non‐randomised study.