Table 2 Alcohol typologies and chronic sleep problems (reported at 3 or more phases) over 30 years follow up.

From: The association between alcohol consumption and sleep disorders among older people in the general population

 Men n (%)Women n (%)Chi-squared test
Volume alcohol
Stable none100 (3.0)111 (8.7) 
Stable moderatea682 (20.3)299 (23.6) 
Stable heavyb409 (12.2)25 (2.0) 
Unstable moderate956 (28.4)396 (31.2) 
Unstable heavy790 (23.5)122 (9.6) 
Former drinkers430 (12.8)315 (24.8)P < 0.001
Hazardous drinking
Not chronic AUDIT2238 (61.3)1174 (83.3) 
Audit positive at 3+ phases1414 (38.7)235 (16.7)P < 0.001
Sleep duration
<7 hours2465 (67.5)855 (60.7) 
7+ hours1187 (32.5)554 (39.3)P < 0.001
Trouble staying asleep (days per month)
None/1–3 days2672 (73.2)924 (65.6) 
4+ days934 (25.9)451 (32.8)P < 0.001
Trouble falling asleep (days per month)
None2210 (60.5)574 (40.7) 
1+ days1435 (39.4)817 (58.7)P < 0.001
Wake as usual but tired (days per month)
None2068 (56.6)629 (44.6) 
1+ days1556 (42.9)699 (52.6)P < 0.001
Wake several times a night (days per month)
None/1–3 days2077 (56.9)672 (47.7) 
4+ days1513 (42.1)699 (51.0)P < 0.001
  1. aModerate = 1–14 units.
  2. bHeavy = 14+ units.