In unexplained fatigue and refractory think of sleep apnea.
Main
Drugs for obstructive apnea: Cenchrix, Lachesis and Opium.
Main Agent in central apnea:
Grindelia robusta.
At hampered sleep by a full head with vivid thoughts, think of
Avena sativa primal potency.
At hampered sleep thinking Passiflora mother tincture or magnesium.phosphoricum as Schusslerzout dissolved in hot water.