Level A1 – BeginnerCEFR A1
2 min
75 words
- Dopamine cells are active in the brain during sleep.
- They become active right after a person learns a movement.
- These cells help make the new movement skill stronger at night.
- The brain improves movements while the person rests.
- After sleep, a person can do the movement more precisely.
- Scientists reported this discovery in a new study.
- The finding could help people with movement problems later.
- Sleep is an active time when the brain fixes skills.
Difficult words
- dopamine — A brain chemical that helps actions.
- movement — A change in position or a physical action.movements
- precisely — In a very accurate or exact way.
- scientist — A person who studies the natural world.Scientists
- discovery — A new thing found or learned.
Tip: hover, focus or tap highlighted words in the article to see quick definitions while you read or listen.
Discussion questions
- Have you learned a new movement recently?
- Do you sleep after you practice a skill?
- What movement skill do you want to do more precisely?
Related articles
18 Dec 2025
24 Oct 2025
24 Dec 2025
23 Jul 2025
Cleaner air in East Asia linked to faster global warming
A study in Nature Communications, Earth and Environment finds recent reductions in aerosol pollution across East Asia, especially China, have probably contributed to faster global surface warming since about 2010. Experts say urgent cuts to emissions and more adaptation finance are needed.
1 Dec 2025
Financial worries disrupt sleep in National Guard members
A study of full-time Army and Air National Guard members found that financial stress leads to tense bedtime habits and poorer sleep. Researchers measured stress, bedtime behaviours, and sleep using surveys and wrist actigraphs.