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.
Fruits high in vitamins are the most stress relieving foods that relax your nerves; the reason why they are the best fruits for relaxation is because they assist in converting tryptophan into serotonin, which are the main hormones that aid mind relaxation.
In addition, including calcium in what you eat and drink before bedtime improves your body's absorption of tryptophan and melatonin production. Therefore the combination of foods high in carbohydrates, containing a small amount of protein, and including calcium results in the most beneficial sleep inducing foods.oods that Keep You Awake. While there are a number of helpful sleep inducing foods, there are also several foods and drinks that can keep you awake at night. If you're trying to improve your sleep, you need to stay away from the following. 1  Heavy, spicy foods such as chili or curries.