Sleep Expert Exposes Seven Key Habits That Undermine Nightly Rest
An authority on sleep has identified seven prevalent habits that may be "sabotaging" your ability to achieve restful sleep. Lisa Artis, deputy CEO of the Sleep Charity, cautions that these practices not only lead to daytime fatigue and irritability but also pose significant threats to cardiovascular health.
The Critical Link Between Sleep and Heart Health
Writing for the British Heart Foundation, Artis emphasized the vital importance of quality sleep. "The American Heart Association now includes sleep as one of its eight essential activities for maintaining a healthy heart," she stated. "This places proper sleep alongside a balanced diet, regular physical activity, weight management, cholesterol control, blood pressure regulation, blood sugar management, and tobacco cessation as fundamental to cardiac wellness."
Artis advised that most adults require between seven and nine hours of sleep each night. "Research consistently demonstrates that regularly obtaining less than seven hours of sleep is associated with elevated risks of atrial fibrillation, nocturnal hypertension, and cardiometabolic syndrome," she explained. "This syndrome increases the likelihood of developing heart disease, stroke, and type 2 diabetes."
Conversely, she noted that sleeping more than nine hours nightly is linked to higher risks of cardiometabolic syndrome, arterial stiffness, stroke, or mortality from cardiovascular events. "Sleep plays a crucial role in reducing bodily inflammation," Artis added. "Chronic sleep deprivation can trigger an overactive immune response, potentially damaging arterial walls, including those in the heart, thereby raising the risk of heart attacks and strokes."
Seven Detrimental Habits That Compromise Sleep Hygiene
To assist individuals in enhancing their sleep quality, Artis outlined seven key habits that negatively impact "sleep hygiene":
- Remaining Indoors Throughout the Day: Artis identified this as one of the most frequently overlooked factors affecting sleep. "Spending entire days indoors without exposure to natural light can disrupt your body's internal clock, making it challenging to fall asleep at bedtime," she said. She recommends getting outside or sitting near a window first thing in the morning to synchronize your circadian rhythm, even on cloudy days.
- Unhealthy Diet and Insufficient Exercise: Consuming ultra-processed foods, sugary items, or refined carbohydrates can cause sharp fluctuations in energy levels. "When combined with a sedentary lifestyle, this can disturb your natural sleep-wake cycle and complicate falling or staying asleep," Artis explained. She advocates for a diet rich in fruits, vegetables, whole grains, and oily fish while reducing saturated fats, salt, and added sugars. She also noted that foods like chicken, turkey, and eggs contain tryptophan, an amino acid that aids in producing serotonin and melatonin, potentially regulating sleep.
- Excessive Caffeine Consumption: While not everyone is sensitive to caffeine, those who are or who experience sleep difficulties may find it hinders their ability to fall asleep or disrupts their sleep cycle. Artis suggests limiting caffeine intake after approximately 2 p.m. and opting for herbal tea alternatives.
- Prolonged Screen Time Before Bed: "Screens are a major culprit," Artis stated. "It's not merely the blue light that keeps you alert; it's the mental stimulation. Scrolling through social media, receiving news alerts, or engaging in endless messaging conversations can keep your brain active when it should be relaxing." She advises against using phones once in the bedroom, recommending instead that this time be reserved for calming activities.
- Being Overly Active at Bedtime: "Your body requires a period to unwind before sleep, so performing chores or watching television immediately before bed can impair sleep quality," Artis said. She recommends establishing a tranquil bedtime routine, such as meditation or reading, to facilitate relaxation.
- Alcohol Consumption: Although alcohol might induce initial drowsiness, it "deprives you of deep, restorative sleep," according to Artis. "You tend to experience lighter sleep stages and miss out on the growth and repair processes that occur during deep sleep." The NHS guidelines recommend consuming no more than 14 units of alcohol weekly, equivalent to about six pints of four percent beer or six 175ml glasses of thirteen percent wine.
- Indulging in Weekend Lie-Ins: "While it may seem appealing to sleep in on weekends to compensate for lost sleep or replenish your 'sleep bank,' this practice disrupts your body clock and creates 'social jetlag,'" Artis warned. She advocates for maintaining a consistent wake-up time, even on weekends, as a straightforward method to strengthen circadian rhythms and enhance sleep quality.
When to Seek Professional Assistance
The NHS advises consulting a GP if altering sleep habits fails to alleviate insomnia, if sleep troubles persist for months, or if insomnia significantly impacts daily functioning to the point of difficulty coping.
