Dakota Johnson went viral after saying she sleeps 14 hours each night, but now she's clarifying her comments.

In a recent appearance on "The Tonight Show with Jimmy Fallon," Johnson opened up to the late-night host about a Dec. 11 interview with the Wall Street Journal about her sleep patterns.

"I’m not functional if I get less than 10. I can easily go 14 hours," Johnson told WSJ this winter. When Fallon teased the "Fifty Shades of Grey" star with news reports about her admission, the comedian was met with pushback.

“I didn’t even say it like that," Johnson joked.

Dakota Johnson'can easily' sleep for '14 hours'

Johnson clarified that she said she could easily sleep 14 hours.

"I don’t, like, demand it. I’m not a monster. I have a job," Johnson said.

"Why is sleep bad? Like, why? Leave me alone! I’m just asleep!” Johnson replied after Fallon made more comments about the sleep situation. After a brief back and forth, Johnson said that she didn't even need to take anything for her long slumbers.

"I don't have to take anything to sleep like that either. I can just sleep like that. I think if I took like an Ambien, I'd wake up next year," the actress told Fallon.

In December, Johnson also said she doesn't have a strict schedule during the Wall Street Journal interview.

"I don’t have a regular (wake-up) time," she said at the time. "It depends on what’s happening in my life. If I’m not working, if I have a day off on a Monday, then I will sleep as long as I can. Sleep is my number one priority in life."

Rob Lowegets an 'embarrassing amount' of sleep: Here are his tips to stay youthful

Johnson isn't the only star with an admiration for sleep. "The Floor" game show host and Hollywood mainstay Rob Lowe opened up recently in USA TODAY's "The Essentials" series about his own sleep habits.

"I get tons of sleep. Like, an embarrassing amount," Lowe said. "I don't want people to think something is wrong with me. It's a lot of sleep, not 12 hours. But if there's ever 12 (hours) to be had, I'm taking it."

How much sleep should you get? Here's what experts say

Seven hours is the appropriate amount of sleep for middle-aged to older people, research suggests. The American Academy of Sleep Medicine advises at least seven hours of sleep per night for adults and eight to 10 hours for teens.

Oversleeping may also be a red flag of an underlying sleep disorder, such as hypersomnia or sleep apnea, according to licensed psychologist and behavioral sleep medicine specialist Sarah Silverman.

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"Sleep is just like shoe size," Silverman told USA TODAY after Johnson's WSJ admission. "One size does not fit all, and some people are going to need more than eight. Some people are going to need less than eight. But really, I'd say that the sweet spot is going to be the number of hours of sleep that allows you to feel your best."

Contributing: Charles Trepany, Bryan Alexander

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