The two scenes from charmed when Piper finds out she was pregnant. Wyatt: 4x22 Witch Way Now? Chris: 6x16 The Courtship of Wyatt's Father It's just because I cinta those two scenes!
When a demon starts killing Sandmen, The charmed Ones are left fighting their own nightmares. The only way out is to put themselves to sleep in order to confront their own "demons".