Kendall Jenner "can't move" when she wakes in the night.
Kendall Jenner
The 20-year-old model has been struggling with her health, but her mother Kris Jenner believes her symptoms are a result of anxiety.
In a clip for next weekend's episode of 'Keeping Up With the Kardashians', Kendall told the cameras: "I wake up in the middle of the night and I can't move."
She then spoke to her mother on the phone and Kris said: "I think you've just got anxiety."
But the brunette beauty insisted: "Everyone says I'm fine, but I don't feel fine."
In a teaser for the show which aired earlier this month, Kendall was seen hitting out at her family for not taking her health worries seriously enough.
She fumed: "I'm done arguing with people because I don't feel fine.
"I promise one day when I'm rushed to the hospital, then you guys are going to wake up."
Last December, Kendall revealed she had been hospitalised due to exhaustion, and admitted her health scare had made her vow to look after herself better.
She previously revealed on her app: "I just got so tired from work and life and everything that it freaked me out at the end of this year.
"I actually had to go to the hospital because I was so exhausted. It was definitely a wake-up call that I need to take better care of myself.
"So, I guess my resolution would be to chill out more and have the ability to be a little more spontaneous. I want to enjoy being home a little bit more. No matter what, 2016 is going to be the best yet. I can feel it!"
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