Sleep and biorhythm

1.

Sleep and biorhythm

2.

Lesson objectives
To explain the importance of sleep for
recovery of vital functions and rest of the
body.

3.

Sleeping
Sleeping is
important for
recharging and
restoring the
immune,
nervous,
skeletal and
muscular
system

4.

While sleeping
the brain
regulates longterm memory,
combines new
information,
repairs and
renews tissues
and cells.

5.

Circadian rhythm
CIRCADIAN
CLOCKS is
internal
biological clocks
that regulates
day-night
rhythm.

6.

Sleeping periods
There are two
sleeping periods:
1) non-REM sleep
2) REM sleep

7.

Non-REM sleep
Sleeping starts with
Non-REM sleep
It is slow wave sleep
Body temperature and
heart rate decreases
There is no dreaming
Takes most of the
sleeping time

8.

REM sleep
It is fast wave
sleep
Mentally active
time of sleeping
There is
dreaming and
eye movements
in REM sleep.

9.

Let’s do activity on p.101

10.

Homework
Read p. 100-101
Answer to literacy questions on p 101.
New words