Cnidarians (Cnidaria) are a group of aquatic animals that includes jellyfish, corals, sea anemones, and hydras. The basic form of the cnidarian body is quite simple and consists of a gastrovascular cavity with a single opening through which food is ingested and waste is released.he body wall of cnidarians consists of an outer layer or epidermis, an inner layer or gastrodermis, and a middle layer or mesoglea. Cnidarians lack organs and posses a primitive nervous system known as a neural net.
14. Fish. The Vitamin B6 in many types of fish will help your body produce melatonin, without the need to take melatonin supplements. Some of the best types of fish to consume for better sleep are salmon and halibut, and there are other foods you can choose that also feature B6.
Balanced diets are associated with lower incidences of depression, anxiety and bipolar disorder, and there is also a link between good mental health and eating whole, unprocessed foods. What you eat also affects how easily you can relax at night and get high-quality sleep. According to nutritional therapist Jo Lewin, large meals and sugary, fatty foods tax your bodyâs digestive system in a way that makes it difficult for you to drift off and sleep well.