• 1
    Haffmans P, Oolders J, Hoencamp E, Arends J. The effect of risperidone versus haloperidol on sleep patterns of schizophrenic patients – results of a double-blind, randomised pilot trial. Eur Neuropsychopharm 2001;11(Suppl. 3):S260.
  • 2
    Luthringer R, Staner L, Noel N et al. A double-blind, placebo-controlled, randomized study evaluating the effect of paliperidone extended-release tablets on sleep architecture in patients with schizophrenia. Int Clin Psychopharmacol 2007;22:299308.
  • 3
    Shamir E, Laudon M, Barak Y et al. Melatonin improves sleep quality of patients with chronic schizophrenia. J Clin Psychiatry 2000;61:373377.
  • 4
    Shamir E, Rotenberg VS, Laudon M, Zisapel N, Elizur A. First-night effect of melatonin treatment in patients with chronic schizophrenia. J Clin Psychopharmacol 2000;20:691694.
  • 5
    Suresh Kumar PN, Andrade C, Bhakta SG, Singh NM. Melatonin in schizophrenic outpatients with insomnia: a double-blind, placebo-controlled study. J Clin Psychiatry 2007;68:237241.