The long-running series in which readers answer other readers’ questions on subjects ranging from trivial flights of fancy to profound scientific and philosophical concepts
In the small hours, thousands of people lie in bed, eyes open, mind racing, desperately hoping to nod off. What are they thinking about? We spend a long, long night with the nation’s sleepless
From obesity to heart disease, there are many harmful effects of a lack of sleep. Now scientists are adding an unexpected one to the list: a wobbly gait
Gone are the days of setting an ambitiously early alarm and snoozing away the hours until I got up. Now I just daydream about sleeping, writes the Guardian columnist Arwa Mahdawi