Studies have shown a time-of-day of training effect on long-term explicit memory with a greater effect being shown in the afternoon than in the morning. However, these studies did not control the chronotype variable. Therefore, the purpose of this study was to assess if the time-of-day effect on explicit memory would continue if this variable were controlled, in addition to identifying the occu...

The extent of continuance of melatonin therapy initiated in pre-pubertal children with chronic sleep onset insomnia (CSOI) was investigated in young adult life. Sleep timing, sleep quality, adverse events, reasons for cessation of therapy, and patient characteristics with regard to therapy regimen, chronotype and lifestyle factors possibly influencing sleeping behavior were assessed. With an on...

Genetic background and clinical picture of mood disorders (MD) are complex and may depend on many genes and their potential interactions as well as environmental factors. Therefore, clinical variations, or endophenotypes, were suggested for association studies. The aim of the study was to investigate association between the chronotype (CH) and quality of sleep characteristics with polymorphisms...

Inter-individual differences in the phase of the endogenous circadian rhythms have been established. Individuals with early circadian phase are called morning types; those with late circadian phase are evening types. The Horne and Ostberg Morningness-Eveningness Questionnaire (MEQ) is the most frequently used to assess individual chronotype. The distribution of MEQ scores is likely to be biased...

We present a case report of 23-year old male with newly diagnosed epilepsy manifested generalized tonic seizures. Levetiracetam (LEV) was started and the patient seizure free. The demonstrated intermediate chronotype determined by Morningness-Eveningness Questionnaire (MEQ). There no epileptiform activity on electroencephalography (EEG) polysomnography (PSG), sleep architecture disturbances (PS...

Background: The Corona Virus Disease (COVID-19) pandemic has a negative impact on all sectors of life, especially in adolescence.The quality sleep that the and it can increase stress level.Objective: This study aims to analyze relationship between chronotype levels female students during Covid-19 pandemic.Materials Methods: is observational with cross-sectional design used Morningness- Eveningn...

Based on the timing of their daily activities, humans can be classified into earliertimed Morning chronotypes ("morning larks"), later-timed Evening chronotypes ("evening owls"), or between-timed Intermediate chronotypes. In adults, the genetic effect accounts for 50% of the inter-individual variance in chronotype. Evening owls in particular have an elevated risk of health hazards, while mornin...

The study aimed at testing chronotype and gender differences in the time of day when humans feel the greatest need for sex and the time of day they actually undertake sexual activity. A Polish sample of 565 participants aged between 18 and 57 was tested. In females, regardless of chronotype, the greatest need for sex occurred between 18:00 and 24:00, but a secondary peak appeared in morning typ...