Application

• relaxation techniques of nervous system?

  * sympathetic nervous system being activated causes us being anxious

  * parasympathetic nervous system activated to balance this and to calm down

  * sometimes parasympathetic nervous system doesn't work, like when people experience prolonged periods of stress
• physical relaxation techniques?

  * writing down worries or imagining them floating away

  * deep breathing

  * relaxing different sets of muscles across body
• ways to improve physical environment to help insomnia?

  * making sure it's dark

  * neither too hot or cold

  * making sure its quiet
• neurological damage to hypothalamus?

  * could be bc of disease, injury or ageing

  * SCN is part of hypothalamus, so could cause trouble sleeping

  * could be bc brain doesn't react to daylight normally so melatonin isn't produced as normal

  * so people with damage to it are given a drug as a replacement for melatonin