Computer-based IELTS practice · free
Part 4
Listen and answer questions 31–40.
Situation: You will hear a lecture about sleep and memory.
Complete the table below. Write ONE WORD AND/OR A NUMBER for each answer.
| Topic | Key points |
|---|---|
| Deep sleep | the brain the day’s experiences; memories move from the to the cortex |
| REM sleep | linked to emotional memories and ; sleepers more likely to find a hidden |
| No sleep | ability to form new memories falls by about % |
| Naps | best length is about minutes |
| Screens | blue light reduces |
| Teenagers | go to sleep ; some schools have later times |
Answer the question below. Write ONE WORD ONLY for each answer.