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A new study has proved that drinking coffee to keep sleep at bay during the night shifts can also hamper the daytime sleep.
According to Julie Carrier, a Université de Montréal psychology professor and a researcher at the affiliated Hôpital du Sacré-Cœur Sleep Disorders Centre, caffeine, present in coffee, hampers the sleep. She also added that the condition worsens with age.
Carrier said, "Caffeine is the most widely used stimulant to counteract sleepiness, yet it has detrimental effects on the sleep of night-shift workers who must slumber during the day, just as their biological clock sends a strong wake-up signal. The older you get, the more affected your sleep will be by coffee."
She added: "We all know someone who claims to sleep like a baby after drinking an espresso. Although they may not notice it, their sleep will not be as deep and will likely be more perturbed.”
She has cited that people over 40 should reduce the amount of coffee they drink daily as it can hamper sleep and make the middle-aged people more prone to the risk of circadian waking signal.
The research was published in the journal Sleep Medicine.
