Can drinking iced black tea cause insomnia?
Aug 24, 2022
Source: Cainiu Health
Dr. Yang Jun
Introduction
Iced black tea is a common tea beverage in daily life, and excessive consumption may lead to insomnia. First, iced black tea contains tea polyphenols, which can stimulate the nervous system and cause emotional excitement; thus, overconsumption may contribute to insomnia. Second, iced black tea contains substantial amounts of sugar, which can also stimulate the central nervous system—therefore, drinking too much during the day or at night may result in insomnia.
Many people still suffer from insomnia today. Since the causes of insomnia vary among individuals, different approaches can be used to address it. For instance, drinking teas such as lotus root tea, lily bulb tea, apricot kernel tea, fo-ti vine tea, or sour jujube seed tea may help resolve insomnia more quickly. Individuals with severe insomnia should not delay seeking treatment.
Can drinking iced black tea cause insomnia?
Iced black tea is a common beverage in daily life; however, excessive consumption may lead to insomnia. First, iced black tea contains tea polyphenols, which can stimulate the nervous system and trigger emotional excitement—thereby potentially causing insomnia when consumed in excess. Second, it contains high amounts of sugar, which can also stimulate the central nervous system; thus, drinking large quantities—either during the day or at night—may contribute to insomnia. Third, excessive intake of any sugary beverage is generally discouraged for healthy individuals, as it may increase the risk of other conditions, such as hyperlipidemia and hyperglycemia.
Drinking iced black tea may indeed cause insomnia. When consumed, especially by individuals sensitive to tea, the caffeine and other stimulants present may temporarily excite the cerebral cortex. If ingested close to bedtime, this heightened cortical activity may fail to subside, thereby interfering with sleep onset and resulting in insomnia. Therefore, iced black tea may contribute to insomnia. For those who are particularly sensitive, it is advisable to consume it only in the morning, early afternoon, or midday—and to avoid it entirely in the evening, to prevent the cerebral cortex from remaining overstimulated at bedtime.
Patients are advised to drink warm water regularly and cultivate healthy lifestyle habits—including consistent early bedtimes and wake-up times—to support both physical and mental well-being. We hope this information proves helpful.
