Entity X - Sleep Trackers
Biology - They appear as yellow blob-like creatures, with a human-like mouth, open wide at all times. Their eyes take the appearance of very small black dots.
Behaviors - Rarely, in one's sleep, a trio of these creatures usually manifest, but there are reports of there being more or less, some reports describing entire hordes, and others describing only one acting completely alone. They are more likely to appear if one is sleeping with a device near them. They will wait around to see if the sleeping victim has a nightmare. If they do, the Sleep Trackers will damage the victim, also transmitting an unknown disease that renders them unable to wake up. If the victim successfully dies, the Sleep Trackers will take the remains of the victim as food.
On the other hand, if the victim manages to avoid having a nightmare, they will be safe from the Sleep Trackers. For some reason, Sleep Trackers always seem to disappear once their victim wakes up, whether or not they had a nightmare.
Discovery - This entity was discovered in an incident in a small outpost within Level 4. One of the members were sleeping, when the Sleep Trackers appeared. Fortunately, another member walked in on the attack. This member managed to kill the Sleep Trackers before the victim could be killed.