Chloral hydrates are a type of sedative drug used to treat insomnia and anxiety disorders. While most people are familiar with the term 'chloral hydrates,' there are many other names for this powerful medication. Some commonly used synonyms for chloral hydrates include chloretone, trichloroacetaldehyde hydrate, and somnos. In addition, this drug may also be referred to by its brand name, Noctec. No matter what it's called, chloral hydrates have the potential to cause addiction and other serious side effects, so it's important to only take them under the supervision of a medical professional.