![]() This study found that drinking decaffeinated coffee did not impair the sleep of the study subjects. One study concluded that consuming even one cup of caffeinated coffee at dinner significantly affected the quality of sleep, increased the time taken to fall asleep and increased the number of nighttime awakenings. This fact is actually backed up by scientific research –. If you consume caffeinated foods or beverages near bedtime, there is a chance that it can prevent you from getting a quality sleep at night. Why you shouldn’t consume caffeine near bedtimeĬaffeine has a half-life of 3-7 hours, meaning half of the caffeine consumed still lingers in your system after 7 hours. Caffeine consumption has found to decrease the secretion of melatonin and thus delay sleep. ![]() When the amount of melatonin increases, we feel drowsy. Melatonin controls the sleep-wake cycles. –Īnother compound that regulates sleep is the neurohormone melatonin. As a result, the neuron activity is not suppressed and sleep is not induced. When adenosine receptors are occupied by caffeine, adenosine can’t bind with its receptors. Caffeine has a structure similar to the adenosine molecules and therefore can bind with the adenosine receptors. When adenosine binds to the adenosine receptors on nerve cells, it curbs the activity of nerve cells, thus inducing sleepiness. How does caffeine interrupt sleep?Īdenosine is a neuromodulator that promotes drowsiness. This in turn causes nighttime sleep deficiency and this creates a recurring “Coffee cycle”. Studies have also found that sleep disturbances result in daytime tiredness that leads to increased coffee consumption in the mornings. One study conducted with adult Australian caffeine users confirmed that higher caffeine consumption leads to decreased bedtime and poor sleep quality. Caffeine is also known to decrease the time spent in deep sleep. While it can be beneficial in some situations, caffeine can also interfere with the nighttime sleep by increasing the time it takes to fall asleep, decreasing sleep duration and reducing sleep efficiency –. Caffeine in coffee acts as a neuro-stimulant and promotes wakefulness. Many people use caffeine, mainly in the form of coffee, to keep them awake and more alert. Chronic sleep deficiency can also shorten your lifespan. Sleep deficiencies are associated with several health complications such as heart diseases, diabetes, high blood pressure, kidney malfunction and mental health problems. It helps our bodies to repair and boosts mental and physical health. Sleep is an essential part of human life. You might reach for a cup of coffee to keep you awake and alert through the day, but is this cup of coffee preventing you from getting a quality sleep at night? Importance of sleep Please note this information is not medical advice, and for advice on your specific needs you should always consult your medical practitioner.
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