Kristen Bell says daughter 'decided to stop sleeping' so she began locking her bedroom door

Kristen Bell has opened up on her children's sleeping routines, explaining that she and husband Dax Shepard began 'locking the bedroom door' when their daughter 'decided to stop sleeping' a few years ago.

The Frozen star, 42, explained that her two daughters - Lincoln, nine, and Delta, seven - had 'graduated' to sleeping in their bedrooms instead of with their parents, but had to employ some controversial tactics after their daughters stopped sleeping.

"We just graduated from them sleeping on the floor on this trifold mattress," she told E! News.

"So you can congratulate me—we did it, they now sleep in their room on beds right next to each other and they cuddle with each other instead of us."

But it's not been an easy journey, with the pair explaining that the girls used to sleep on the floor of their bedroom before they were in their own beds.

Explaining how they got around different bed times, Kristen added: "We do not want to go to sleep when they want to go to sleep, so we would hook up our headphones by Bluetooth to the television, put on a show and they would be on the floor like trying to fall asleep."

Things didn't get any easier when the kids started sleeping in their own room.

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Kristen said she began locking the bedroom door after their younger daughter 'decided to stop sleeping'.

Speaking to Parents mag in 2018, she said: “I’m sorry, I know that’s controversial, but we [...] stand outside and say, ‘We love you, we will talk to you in the morning, but now, it’s time for sleep.’ And after about 10 minutes, she’ll wind herself down."

She added that they 'obviously' unlocked the door before going to sleep.

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The Good Place star also recently opened up about potty training her daughter, explaining that her youngest still wore nappies at the age of five.

Discussing it on her podcast, Momsplaining with Kristen Bell, she said: "My oldest daughter at 21 months, we merely suggested that she use the toilet in the other room and [she] never wore another diaper beyond that.

"We were lying in bed giggling about this, my husband and I, like, 'Why does everyone make a big deal out of this potty training? It's so easy. Just tell the kid to use the toilet.'"

She then admitted: “Currently, my youngest is five and half — still in diapers.”