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Schoolgirl Stacey Comerford looks like Sleeping Beauty as her mum gently strokes her hand.

And that’s just what she is as she suffers from Kleine Levin syndrome which means she can sleep for MONTHS at a time.

The condition, also known as Sleeping Beauty syndrome, is so rare there are only around 1,000 sufferers in the world.

Yet Stacey, 15, of Telford, Shrops, is not the only British teenager hit by it as Mitchell Baldwin, 14, of Arbourthorne, ­Sheffield, can sleep for 22 hours a day, only waking to eat in a trance-like state.

Mitchell, who has missed exams and slept through holidays, said: It’s frustrating. Life is passing me by.”

Stacey’s mum Bernie Richards, says her daughter’s attacks can come on at any time. The longest lasted two months.

Bernie, 53, said: “There’s never any warning. I’ve even found her fast asleep on the kitchen floor.

“When she’s in an episode, she might get up to go to the toilet or get a drink but she’s not awake. I call it sleep mode.

“When she wakes, she thinks it’s the following day. She doesn’t have any memory of it.”

Bernie, who is a full-time mother-of-six, describes it like ‘living with Jekyll and Hyde’ because the change in her daughter is like a switch flicking.

She said: “She needs reassurance during an episode. It’s like she reverts back to being five years old. When she talks, she sounds like a child.

“When she’s in sleep mode she can be quite moody but she can’t help it.

"She’s like a toddler who wants to do things her own way. She stamps her foot if she doesn’t get what she wants.

“It’s like having two different kids in the house.”

(Image: Caters)

Stacey started experiencing symptoms about a year ago, but she was only diagnosed in March as the condition is so rare.

When her illness first emerged, doctors put it down to her being a moody teenager.

Bernie said: “Stacey was tired all the time. She couldn’t concentrate at school. She’d come home zonked out and have to sleep the whole weekend.

"When it came to Monday morning, I couldn’t wake her up.

“Then one day I got a call from school to come and pick her up because she wasn’t very well.

“I took her to our GP. I had to pull Stacey’s legs to get her out of the car and get her into the surgery. All she wanted to do was sleep.

“The GP said: ‘I know it sounds awful but she looks like a moody, depressed teenager’.”

Stacey was referred to the Princess Royal Hospital, Telford, where doctors feared she had a brain tumour.

She was given a brain scan and was also checked for conditions like narcolepsy and epilepsy.

When the results came back clear, doctors were left baffled until a neurologist at Birmingham Children’s Hospital eventually diagnosed Stacey with Kleine Levin Syndrome.

Bernie said: “Having a diagnosis means Stacey knows it’s not all in her mind. She’s had that much stick off people. They don’t understand.

“I was even investigated by the local education authority because Stacey’s school thought I was deliberately keeping her out of school. They’ve stopped now we’ve got a diagnosis.

“I always knew there was something wrong. I know my daughter.

“She’s gone from a fresh faced teenager, full of energy to sleeping all the time.

“We can’t plan anything because Stacey might be asleep.

“She could go to sleep tonight and wake up next week.

“We try and laugh and joke about it because it’s the only way to get through it.”

There is no known cure for Kleine Levin Syndrome, although some experts believe that some sufferers do grow out of it.

Since her diagnosis, Stacey has been put on a high does of a stimulant drug called modafinil to help keep her awake.

Bernie said: “It seems to be working. She’s more awake and it’s improving her quality of life. We will have to see how she gets on.”

Stacey, who hopes to go back to school on a part-time basis soon, said: “I’ve missed nine exams and my birthday in November.

“It’s easier now people know what it is. It’s easier to explain to them. Before, people didn’t believe me. That was the hardest thing.

“People would pull faces at school if I said I was tired and needed to go home.”

For more information, visit www.klsfoundation.org

Bethany-Rose Goodier is another victim of Sleeping Beauty syndrome. Read her story:

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