Especially a thought.
Example:
Like last night, I couldn't sleep. This time, however,
[…] wasn't my upcoming wedding, but the fact that I was going to get fired
tomorrow.
So like a disturbance, but one that deprives you from sleep.
Learn English – What do you call something that doesn’t let you sleep
expressionsphrase-requestssingle-word-requests
Related Topic
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- Learn English – A single idiom or phrase that means ” I didn’t feel sleepy anymore”
- Learn English – What do you call a question you know the answer to, but you want an answer
Best Answer
Scientific answer: stressor.
Colloquial answer: bugaboo.
(Either of these will fit in your sentence example. Use with "the".)