Trouble sleeping? It could mean less time in the workforce

Waking during the night, struggling to fall asleep, or finding yourself wide awake at 3am can become more common in midlife. You might accept it as part of getting older, but sleep problems in midlife are worth paying attention to.A Finnish study has found that people over 50 with severely disrupted sleep had a shorter working life expectancy.So, what gets in the way of a good night's sleep as we age? And what can we do about it?