Answer: Hypnotics
Explanation:
If someone has sleepless night for more than 3 days a week then it will be considered as insomnia. The concerned person can go the family doctor as these drugs are not sold without prescription.
Sleeping pills are common name given to these drugs which belongs to the class of psychoactive drugs. The function of these drugs is to induce sleep.
The drug is basically used to treat the medical condition of insomnia pr surgical anesthesia.
Answer:
Isolation means that organisms of the same species are separated, and happens when there is something between the organisms that they can't cross.
Explanation:
Organisms become isolated as a result of environmental change. The cause of isolation can be gradual, like when mountains or deserts form, or continents split apart.
Lack of space and resources.
