Neend kiyun zaroori hai.
Edición de la obra Why do we need sleep?
| Autor | Isaac Asimov |
|---|---|
| Editorial | Ferozsons |
| Fecha de publicación | 1997 |
| Lugar | Lahore |
| Idioma | urd |
| ISBN-10 | 9690013823 |
| OCLC | 655490922 |
| Número de Cutter | A832n |
A brief discussion of sleep, why we need it, what happens when we sleep, and sleep disorders.