J.E. Nagtegaal

Delayed sleep phase syndrome: A placebo‐controlled cross‐over study on the effects of melatonin administered five hours before the individual dim light melatonin onset

J.E. Nagtegaal, G.A. Kerkhof, Marcel G. Smits et al. · Journal of Sleep Research · 1998 · 222 citations

Medicine, Pharmacology, Pharmacotherapy +17

Impairment of endogenous melatonin rhythm is related to the degree of chronic kidney disease (CREAM study)

Birgit C. P. Koch, K. van der Putten, Eus J.W. Van Someren et al. · Nephrology Dialysis Transplantation · 2009 · 93 citations

Medicine, Endocrinology, Physiology +17

The effects of melatonin on sleep–wake rhythm of daytime haemodialysis patients: a randomized, placebo‐controlled, cross‐over study (EMSCAP study)

Birgit C. P. Koch, J.E. Nagtegaal, E. Chris Hagen et al. · British Journal of Clinical Pharmacology · 2008 · 77 citations · Full text

Medicine, Nephrology, Pharmacology +17

Effects of melatonin on the quality of life in patients with delayed sleep phase syndrome

J.E. Nagtegaal, M.W. Laurant, G.A. Kerkhof et al. · Journal of Psychosomatic Research · 2000 · 73 citations

Medicine, Internal Medicine, Circadian Rhythms +11

Melatonin‐Responsive Headache in Delayed Sleep Phase Syndrome: Preliminary Observations

J.E. Nagtegaal, M.G. Smits, Alexander Swart et al. · Headache The Journal of Head and Face Pain · 1998 · 68 citations

Medicine, Neurology, Pharmacotherapy +17