Describes a person who cannot sleep anywhere but cannot go home.

This person may sleep in a variety of places, including but not limited to:

1. Park bench: Although not a bed, it can provide a certain amount of resting and sleeping space.

2. Car Seat: If you have a car, you may sleep in it, but this can pose health risks and is not safe.

3. Public library: quiet and comfortable, but may not be suitable for long-term living.

4. Cafe: If you like drinking coffee, you may sleep in a cafe, but this may attract the attention of other customers and the dissatisfaction of the staff.

5. Train carriage: If you take a train, you may sleep in the carriage, but you may be asked to leave by the staff.

In short, this person may have an irregular life, may face some financial or life pressure, and need to find various places to solve sleep problems.