Limit waking activities in bed as much as possible to preserve the mental association between the bed and sleep, and sit rather than lie down if space is limited.

noli's read

This advice is based on stimulus control therapy, a pillar of behavioral approaches to sleep. A meta-analysis published in the Journal of Sleep Research (2023) confirms that this method is effective for reducing sleep onset latency and optimizing overall sleep quality. Nevertheless, a 2023 systematic review conducted by Verreault et al. qualifies the mechanism, suggesting that the hypothesis of strict classical conditioning does not fully explain the method's success on its own. Furthermore, the compromise tip suggesting simply 'sitting up' in bed for waking activities in a studio apartment is based on expert opinion and field adaptation, without dedicated clinical evidence. Overall, the fundamental principle of not associating the bed with an active waking state remains a sound and scientifically validated recommendation.

the sources

No named source held this one up — that absence is part of the verdict.