Adults usually need seven to nine hours of sleep each night.
A regular bedtime helps the body know when to rest.
Too much screen light at night can make it harder to fall asleep.
B1 Short text ·
Sleep and energy
Read why good sleep keeps your energy up.
Not quite right? Generate one at my levelSelect any sentence for Ellie to analyze, or tap a word for its meaning.
Check your understanding
1. How many hours do adults usually need?
2. What makes it harder to fall asleep?
Write about it
In one or two sentences, summarize the main idea in your own words.