Funding for this research was provided by:
Vrije Universiteit Amsterdam (University Research Fellowship)
European Research Council (ERC-2016-PoC-737634 INSOMNIA BEAT IT, ERC-ADG-2014-671084 INSOMNIA)
Received: 17 September 2019
Accepted: 18 March 2020
First Online: 15 April 2020
Ethics approval and consent to participate
: The study was approved by the Medical Ethics Committee of the VU University Medical Centre (NL63139.029.17). Participants are included only after their written informed consent. The trial is registered with the Netherlands Trial Register (ExternalRef removed).
: Not applicable.