OBJECTIVE To estimate the prevalence and patterns of sleep disturbances during pregnancy among healthy nulliparous women. METHODS This was a prospective, cohort study of healthy nulliparous women, recruited between 6 and 20 weeks of gestation, who completed a baseline sleep survey at enrollment with follow-up in the third trimester. The survey was composed of the following validated sleep que...

STUDY OBJECTIVES A growing body of research indicates that sleep disturbances may be specifically linked to suicidal behaviors. It remains unclear, however, whether this link is largely explained by depressive symptoms. The present study investigated the relationship between suicidality, depression, and sleep complaints in a clinical outpatient setting. DESIGN AND SETTING Upon admission, 176 ...

The introduction of the micro-Astrup technique (Siggaard Andersen, Engel, J0rgensen, and Astrup, 1960) with the subsequent modification of the nomogram (Siggaard Andersen, 1962) has given a rapid and simple method for separating the respiratory and metabolic components of acid-base equilibrium in the blood. Arterialized capillary blood from a heel stab has been used for the estimation ofpH and ...