Drinkers unaware of impact of drinking on sleep
According to a survey conducted by the Know Your Limits campaign, many drinkers do not realise that alcohol can interfere with sleep.
Of 2000 drinkers surveyed, 58 percent did not know that excessive drinking can exact an array of disruptive effects on sleep, although 45 percent of participants reported feeling fatigued the day after excessive drinking.
One of the most significant disruptions is caused by dehydration resulting from an alcohol-triggered chemical signal that suppresses reabsorption of water by the kidneys.
Alcohol also interferes with the ordering of sleep stages, often causing the post-drinking sleeper to initially skip the REM stage and move directly into deep sleep. It is only later that the REM stage, which is more easily disturbed, is reached, sometimes leading to an abnormally early wake time that compounds alcohol’s other effects.
Campaigners have urged drinkers to limit themselves to no more than four units of alcohol (approximately two pints of beer) per day for men and three units for women.