Choose the appropriate words to complete the text. Our brains make up only 2% of our body weight, yet they use

not get enough rest. It has been observed that when we are sleep-deprived, the hormone ghrelin, responsible for increasing appetite, is produced in larger amounts, while the hormone leptin, responsible for suppressing appetite, is produced in smaller amounts. This hormonal imbalance can lead to overeating and weight gain.

Moreover, inadequate sleep affects our cognitive functions. When we lack sleep, our attention span, concentration, and problem-solving abilities are compromised. This can make it difficult for students to focus and perform well in school.

Additionally, sleep deprivation can have a negative impact on our mood and emotional well-being. It can lead to irritability, mood swings, and increased stress levels, which can further affect our ability to learn and retain information.

To ensure optimal brain function, it is recommended that school-aged children get an average of 9-11 hours of sleep per night. This allows the brain to rest, repair, and consolidate memories.

In conclusion, sleep plays a crucial role in maintaining the proper functioning of our brains. Sufficient sleep ensures that our brains have the energy and capacity to carry out essential processes such as memory consolidation and self-repair. By prioritizing sleep, students can improve their cognitive abilities, regulate their eating habits, and enhance their overall well-being.