Insomnia affects up to one in three of us. So what can you do about it? From the ‘magic yawn’ to the 90-minute rule, psychologist Richard Wiseman offers 12 rules for the perfect rest.
Insomnia affects up to one in three of us. So what can you do about it? From the ‘magic yawn’ to the 90-minute rule, psychologist Richard Wiseman offers 12 rules for the perfect rest.