Male and female sleep pattern: How do they differ and why?

Sleep experts say it is an important question to consider.

The number of hours needed changes throughout your life, with babies and kids needing more sleep and people 65 and older able to function on slightly less than seven to nine hours.

Here is what sleep scientists and doctors say about how much you really need and whether your gender plays a role.

Sleep quality over quantity

Sleep is still a mystery, despite how critical it is for our health.

“The reasons are not entirely clear, but it is an essential thing that we all do,” said Dr. Rafael Pelayo, a sleep specialist at Stanford University.

“Something remarkable happens when you sleep. It is the most natural form of self-care that we have.”

“Most of the population gets between seven to nine hours and that particular category has the lowest association with health problems, said Molly Atwood, a behavioral sleep medicine clinician at Johns Hopkins.

“Once people either dip into less than six hours of sleep or get more than nine hours on average, the risk of health problems inches up, but everybody is different.” Atwood added

When you are trying to figure out how much sleep you need, it is important to think about the quality of it, Pelayo said: “What you really want to do is wake up feeling refreshed that’s what it’s about.”

“If somebody tells me that they sleep many hours but they wake up tired, something is wrong,” Pelayo said. “You should not leave your favorite restaurant feeling hungry.”

How much sleep we need changes

The amount of sleep we need changes throughout our lives.

Newborns need the most somewhere between 14 to 17 hours.

“Definitely when we’re babies and children, because we are growing so rapidly, we do need a lot more sleep,” Atwood said.

The National Sleep Foundation recommends most adults between 26 and 64 get between seven to nine hours of sleep. People who are 65 and older can get slightly less, and young adults between ages 16 and 25 can get slightly more.

Humans cycle through sleep stages roughly every 90 minutes.

In the first portion of the night, Atwood said that more of the cycle is slow wave sleep, or deep sleep, which is essential to repairing and restoring the body.

It is also when growth hormone is released.

In the latter hours of the night, more of the sleep cycle is spent in rapid eye movement sleep, or dream sleep.

Sleep is important for learning and memory consolidation, or the process in which short-term memory gets turned into long-term memory.

Kids get more deep sleep, with about 50% of the night in that realm, she said.

That drops at adolescence, Atwood said, because our body does not need the same kind of repair and restoration.

Do women need more sleep than men?

Research does not show that women need more sleep but women do get slightly more sleep on average than men, Atwood said.

It starts at a young age. Though they have the same sleep needs, teenage girls seem to get less sleep than teenage boys, Pelayo said.

Additionally, teenage girls tend to complain of insomnia more frequently.

When women become first-time mothers, they often care for newborns throughout the night more frequently, which means less sleep, said Allison Harvey, a clinical psychologist and professor who studies sleep at UC Berkeley.

Hormones may also impact women’s sleep quantity and quality during pregnancy and menopause.

“With menopause in particular, women can develop deterioration in their sleep with an increased number and duration of nighttime awakenings,” said Dr. Mithri Junna, a Mayo Clinic neurologist who specializes in sleep.

Atwood said women may also need more sleep right before their menstrual cycle.

“There are definitely times that your body’s telling you that you need more sleep,” she said. “It is important to listen.”

When to seek help sleeping

You will know if you are not getting enough sleep if you are feeling grumpy, irritable and inattentive.

Long-term, those minor symptoms can become serious problems.

“If you are not getting enough sleep or you have untreated insomnia or sleep apnea, your risk of depression increases,” Atwood said. “Your risk of cardiovascular issues like high blood pressure, risk of heart attack and stroke increases. Your immune system is compromised. You are at greater risk for Alzheimer’s.”

If you are getting the recommended amount of sleep every night but still waking up feeling tired, you might consider going to your primary care physician.

They can rule out other health conditions that may affect your sleep, Atwood said. But if problems persist, seeking out a sleep specialist could be helpful.

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