...... spend 66% of their lives asleep.
Cats spend 66% of their lives asleep.
Adult humans need about ...... hours' sleep.
Adult humans need about seevn hours' sleep.
The giraffes spend more than 23 hours a day a.....e .
The giraffes spend more than 23 hours a day ..... .
To sleep well, avoid ...... drinks and food.
To sleep well, avoid sugary drinks and food.
To sleep well at night, you should go to bed ........ .
To sleep well at night, you should go to bed at the same time every day .
Sleep is incredibly important, because your ...... can't function without it.
Sleep is incredibly important, because your brain can't function without it.
To leep well, don't use ....... at least an hour before going to bed.
To leep well, don't use computers or mobile phones at least an hour before going to bed.
Nowadays children don't sleep enough because they do more ..... than ever before and rarely disconnect from .......
.... because they do more activities and homework than ever before and rarely disconnect from social media.
Between the ages 11 and 17, we need between ..... hours.
Between the ages 11 and 17, we need between 9 and 11 hours.
Teenagers need to sleep more than adults because .... .
Teenagers need to sleep more than adults because their bodies and brains are changing.