listen to binaural beats for 15 minutes with headphones before sleep. It will not make your dreams lucid, just put you into a deep deep sleep. Binaural beats can also be used to study for tests, and even make you remember 25% more information. They are made up of 2 frequencies- one in each ear. It makes a ringing sound, similar to 2 instruments out of tune. When the brain tries to separate the 2 sounds, it activates it in a certain way that helps you remember information or sleep well. It wont kill you; far from it. They use binaural beats at some amusement parks as music to play while standing in huge long lines. They do this to keep people calm in line so they don't storm away and get angry from standing in a line for ever and ever.
hope this helps...
hope this helps...