In babies, this could be a congenital defect. Central apnea is very rare in adults but quite common in babies especially those who were born prematurely. Unlike obstructive apnea, this can happen at any time of the day. The third type of apnea is called mixed apnea. This condition is the combination of obstructive apnea and central apnea. You may have seen it in the movies or on TV - the navy seals attacking at night are not at a disadvantageous position since they are using their handy dandy night vision goggles. That same technology is being used in today s baby monitors. Even if the lights in the baby s room are switched off, with the help of the night vision baby monitors, you can easily see your baby. They not only allow them more time to themselves and to work, but most especially, they give them the opportunity to provide for the safety of their children even when they are not right by their side. However, with the many different types available in the market, new parents may find it puzzling to choose which monitor would be the most practical purchase for their budget. In fact, a lot of parents are willing to spend tons of money just to make sure that they're little bundles of joy are safe and sound. With this in mind, buying only the best baby monitors that the market has to offer seems like an excellent idea. Unfortunately, some people mistakenly translate money for quality. Doing so will somehow reduce the likelihood of interference. Other Safety Tips - Don't ever use a mere baby monitor to justify your absence. Parental supervision is undoubtedly important, especially if you live in an apartment building where strangers can easily come and go. - Do not position a baby monitor's transmitter or receiver near water. If something is wrong, the parents will definitely know about it. But baby monitors have already come a long way. Today, different baby monitors have been developed which make use not only of sounds but of images as well. A great example of this is the video baby monitor. Video baby monitors make use of cameras instead of just the usual transmitter with microphone device.