Since 1990, natural hazards have led to over 1.6 million fatalities globally, and economic losses are estimated at an average of around USD 260–310 billion per year. The scientific and policy communities recognise the need to reduce these risks. As a result, the last decade has seen a rapid development …

Last year we published a randomised trial demonstrating that stretching before sleep reduces the frequency and severity of nocturnal leg cramps in older adults (Hallegraeff et al 2012). The results of that study align perfectly with the uncontrolled study of Daniell (1979). In a recent letter to this …