They are concise. For example, they usually have a simple plot with few characters, like a story about a single animal's small adventure. This makes it easy for listeners to follow and fall asleep quickly.
You can find them in children's storybooks specifically for bedtime. There are also many websites dedicated to short stories for kids, like Storyberries.
One short bedtime story could be 'The Sleepy Rabbit. A rabbit was so tired after a day of hopping. It found a soft patch of grass and closed its eyes, falling asleep quickly. And that's the story.
Sure. Here is a really short bedtime story. Once upon a time, there was a little rabbit. It was lost in the forest. But then it saw a friendly deer. The deer led the rabbit home. Good night!
Sure. Here's one: A little rabbit was lost in the forest. It was scared. But then it saw a friendly deer. The deer led the rabbit back home. Good night!
A snail wanted a bedtime story. So it told itself, 'I once raced a rabbit. I took my time. The rabbit napped and I won!' Then it dozed off, happy with its made - up story.
You can find them in children's storybooks. Many collections are specifically for bedtime and have short and funny ones. For example, some local libraries have a great selection.