In the classic 1929 book 'The projection of the astral body' by Sylvan Muldoon, one technique for 'projection' is to take a small teaspoon of salt during the night ( I prefer after 4 hours sleep).
This thirst keeps me 'skipping' in and out of REM sleep as long as I don't drink to satisfy the thirst.

This technique generates many more vivid dreams with recall, and allows many oportunities for lucidity or projection, and has proved very successful for me.