As Kline explains, when light passes through your eyes, it sends a signal to the suprachiasmatic nucleus, a part of the brain positioned next to your peepers, which helps control the sleep-wake cycle. As the days get shorter, our mornings lose that crucial light cue, so waking up gets harder.
According to research, it is better to sleep in a dark room because light plays an integral role in regulating our internal body clock. Your body follows a sleep-wake cycle dependent on several external factors, including light.
As the days become shorter, your sleep and waking cycles may become disrupted. The lack of sunlight means your brain produces more of a hormone called melatonin, which makes you sleepy.
Why it's so dark in the morning is a matter of the Earth's rotation on its axis (which is at a tilt of 23.5 degrees) around the sun.
It's a real, physiological human need. A 2019 study found that exposure to morning sunlight results in greater alertness. Morning light exposure can also lead to better sleep, which can have a cascade effect on mood the next day.
The new research by Michigan State University neuroscientists found that spending too much time in darker rooms can change your brain and make it harder to remember. And it also found bright lights can boost your more than your mood, making it easier to retain information.
Exposure to light during nighttime can mess up the naturally programmed increase of melatonin levels, which slows down the body's natural progression to sleep. In addition to regulating our melatonin levels, sleeping in complete darkness helps lower the risk of depression.
Darkness is essential to sleep. The absence of light sends a critical signal to the body that it is time to rest. Light exposure at the wrong times alters the body's internal "sleep clock"—the biological mechanism that regulates sleep-wake cycles—in ways that interfere with both the quantity and quality of sleep.
"Living in a dark house or being constantly in a dark, closed-in space can make us feel lethargic. We are simply not getting enough light to make us alert, which in turn lifts our mood."
According to Fish, waking up with the sun also allows your body to wake up gradually, in a natural process, instead of being startled out of much-needed REM sleep — aka the deep sleep your brain needs to learn, store memories, and regulate your emotions — with a piercing, sudden alarm.
And according to Alex Dimitriu, MD, founder of Menlo Park Psychiatry & Sleep Medicine, sunrise alarm clocks can actually be effective because they tap into the body's innate biorhythms. "There is some evidence that natural morning light can actually help prepare the body to wake up," he says.
What is blue light? Blue light is part of the visible light spectrum -- what the human eye can see. Vibrating within the 380 to 500 nanometer range, it has the shortest wavelength and highest energy. About one-third of all visible light is considered high-energy visible, or "blue," light.
The Earth moves faster at the point in its orbit where it is closest to the sun, which comes after the winter solstice. ... "This, combined with the tilt of the earth, means that mornings stay darker."
Yes it is, and its due to two reasons: 1) less moisture in air due to lower temperatures. 2)The direction in which Earth points in winter: Earth in winters points away from milky way centre, whereas in summer it points towards the centre. This makes the summer sky brighter.
4. Enjoy a warm breakfast. As soon as you wake up, make yourself a warm cup of tea or coffee, and a warm breakfast such as porridge. Many studies have shown that a healthy breakfast gives you energy so you begin your day on the right foot.
Your body produces the sleep hormone, melatonin, as it gets darker out, setting you up to fall asleep at night. But since you're not exposed to the early morning light in the winter—a cue for the body to stop melatonin secretion—it's harder to wake up in the morning.
While sleep requirements vary slightly from person to person, most healthy adults need seven to nine hours of sleep per night to function at their best. Children and teens need even more. And despite the notion that our sleep needs decrease with age, most older people still need at least seven hours of sleep.
Difficulty getting up in the morning isn't just about loving your sleep and hating mornings. Lifestyle factors, medical conditions, and medications can make it hard to wake up. These include: ... sleep deficiency, which can involve not getting good quality sleep, or sleep deprivation, which is not getting enough sleep.