Have a symptom?
See what questions
a doctor would ask.

Hatzfeldt syndrome

Hatzfeldt syndrome: Introduction

Hatzfeldt syndrome: Hatzfeldt Syndrome or Systemic Neuro-Epiphysial Disorder (SNED) is a type of sleep disorder (somnipathy). It is mainly characterized by an irregular sleep pattern, as well as irregular behavior. More detailed information about the symptoms, causes, and treatments of Hatzfeldt syndrome is available below.

Symptoms of Hatzfeldt syndrome

  • Sleep abnormalities such as narcolepsy. Patients are known to be narcoleptic and have increased difficulty of waking up during the morning, while being very unresponsive to external stimuli, a symptom attributed to deep REM.
  • Behavioral abnormalities- Patients show euphoric tendencies usually described by patient's family or friends as "annoyingly cheerful" and expressed by incessant and loud laughter.
  • more symptoms...»

Treatments for Hatzfeldt syndrome

Home Diagnostic Testing

Home medical testing related to Hatzfeldt syndrome:

Wrongly Diagnosed with Hatzfeldt syndrome?

Causes of Hatzfeldt syndrome

  • High levels of melatonin and serotonin cause malfunctioning of the neural arch innervating the epiphysis and the hypothalamic region of the brain. Melatonin is related to the circadian clock in humans, hence affecting sleeping patterns
  • Other biochemicals associated with SNED are dopamine, cortisol as well as somatotropin
  • more causes...»

More information about causes of Hatzfeldt syndrome:

Misdiagnosis and Hatzfeldt syndrome

RLS sleep disorder causing night-time leg sensations often misdiagnosed: A common but relatively unknown sleep-related disorder called Restless Leg Syndrome (RLS) is more »

Hatzfeldt syndrome: Research Doctors & Specialists

Research related physicians and medical specialists:

Other doctor, physician and specialist research services:

Hatzfeldt syndrome: Animations

Hatzfeldt syndrome: Broader Related Topics

User Interactive Forums

Read about other experiences, ask a question about Hatzfeldt syndrome, or answer someone else's question, on our message boards:

Related Hatzfeldt syndrome Info

More information about Hatzfeldt syndrome

  1. Hatzfeldt syndrome: Introduction
  2. Symptoms
  3. Causes
  4. Treatments
  5. Misdiagnosis
  6. Home Testing

By using this site you agree to our Terms of Use. Information provided on this site is for informational purposes only; it is not intended as a substitute for advice from your own medical team. The information on this site is not to be used for diagnosing or treating any health concerns you may have - please contact your physician or health care professional for all your medical needs. Please see our Terms of Use.

Home | Symptoms | Diseases | Diagnosis | Videos | Tools | Forum | About Us | Terms of Use | Privacy Policy | Site Map | Advertise