Speaking about culture. Do you know how have healthy mind and healthy body? No? I can tell you about it! First, you need to sleep well. When we sleep, our body temperature drops, our heart rate and other bodily functions slow down. There are four different stages of sleep that repeat every 90 to 110 minutes. Stages N1 and N2 are light sleep and we can easily wake up. In stage N3, we sleep more deeply and it's harder to wake up. Some people may also sleepwalk or talk in their sleep. The last stage is REM sleep. Our eyes move around, our brain is very active, and we have a lot of dreams While we sleep, our brain sorts through information, replaces chemicals, repairs cells, and solves problems. Babies need 16 to 18 hours of sleep, teenagers about 9 and adults about 7 to 8. If you want to be healthy, you need to be careful!Spiders Australia has some of the most dangerous spiders in the world. The dark-coloured funnel- web spider is one of the most poisonous. If one bites you, ...