Hands up whose clients are struggling to sleep at the moment? For those with pre-existing or developing health anxiety, sleep disturbance may be greater during the current Covid-19 outbreak, and concerns over the effects of poor sleep on immunity can create a vicious circle. Insomnia Clinic founder Kathryn Pinkham is currently offering her online sleep programme free to NHS workers – and here shares 8 tips for improving the sleep of clients with health anxiety.