effects on sleep, is a foundation for nearly all patients to improve their sleep, wellbeing, and
satisfaction with daytime activity.
The cognitive approach to insomnia focuses on the feared and real deficits in daytime
performance and functioning as a result of sleep disturbance (Harvey, 2002). However, due to
the poverty of daytime activity there are typically few feared consequences of sleeplessness
on daytime performance in this psychiatric population. Instead, a pattern of fatigue and
daytime napping, long lie-ins and early bedtimes - in other words hypersomnia and circadian
disruption - is more likely to develop. Therefore, in our experience, attentional biases