Quarter of Kiwis have chronic sleep issues - study  By Paul
Harper  File photo / Thinkstock File photo / Thinkstock  A
quarter of New Zealanders have a chronic sleep problem,
according to the World Association of Sleep Medicine.  Today is
World Sleep Day, a day to celebrate sleep, and highlight sleep
related issues.  Just over half of Kiwis (55 per cent) say they
never wake up feeling refreshed, while 25 per cent of us report
having a chronic sleep problem.  Studies by the World
Association of Sleep Medicine show sleep disorders cost New
Zealand at least 40 million dollars a year in lost productivity,
and increases the risk of accidents and other illnesses like
diabetes, cardiovascular disease and respiratory failure.  Karyn
O'Keeffe, from Massey University's Sleep/Wake Research Centre,
said insomnia and obstructive sleep apnoea - which causes severe
snoring - are the two most common sleep disorders people have.
"Insomnia is trouble getting off to sleep, staying asleep, or
waking earlier than you would like,