two - Search - Sleep Data - National Sleep Research Resource

Home Positive Airway Pressure

... 15 during the first two hours of the initial ... Gravity. Some studies contained two signals with similar names, ...

3-02-condensed-data-dictionary.md

Childhood Adenotonsillectomy Trial

... on site oximetry summary. Two other Biologic studies: 701037_121809 ... visualization of effort on two bands, the QuAbdo and ...

3-03-chat-data-analysis-tip-sheet.md

Childhood Adenotonsillectomy Trial

... of the difference between two means of a log-transformed ... less, the ratio of two medians). Not so for ...

README.md

Best Apnea Interventions in Research

... sleep and lifestyle. The two active arms were: (1) ... a behavioral therapist. The two control arms were: (1) ...

README.md

Sleep Health in Infancy and Early Childhood

... gain over the first two years of life. Secondary ... as the time between two rest intervals. Additional active ...

Matt Butler - Researcher Showcase

Posted by remomueller on June 11, 2015 in Showcase

... 0.4 to 3.6. The two left subjects have a ... ~2 min, whereas the two right subjects have a ...

Fixing Invalid EDF Dates

Posted by remomueller on December 8, 2016 in Releases

Over the past two days we've updated EDFs ... being able to enter two digits for years, EDFs ...

The Importance of Field Experiments in Understanding Sleep Among the Urban Poor

Posted by michaelprerau on September 20, 2022 in Guest Blogger

... sleep for up to two hours – led to ... cross-randomized to one of two Night Sleep interventions and ...

Casting (Moon)light on NSRR data

Posted by shaunpurcell on May 9, 2023 in Tools

... an early adopter of two new web-based tools (Moonlight ... allows you to enter two links (HTTP URLs), for ...

Deep learning for obstructive sleep apnea diagnosis based on single channel oximetry

Posted by szhivotovsky on September 1, 2023 in Guest Blogger

... have existed for almost two decades, they suffer from ... a significant milestone, culminating two decades of intensive research ...

Longitudinal Trajectories of Spectral Power During Sleep in Middle-Aged and Older Adults

Posted by szhivotovsky on October 5, 2023 in Guest Blogger

... Study. These participants completed two polysomnography sessions, approximately 5.23 ... home polysomnography assessment at two study visits, which were ...

A prospective study of the association of weekend catch‑up sleep and sleep duration with mortality in middle‑aged adults

Posted by szhivotovsky on December 4, 2023 in Guest Blogger

... longitudinal association of these two aspects of sleep with ...

Use and misuse of random forest variable importance metrics in medicine: demonstrations through incident stroke prediction

Posted by szhivotovsky on January 18, 2024 in Guest Blogger

... compare the performance between two separate random forests: one ... OOB VIMPs, we identified two lung function features that ...

Getting started with spectral analysis

Reply by DennisDean on February 23, 2015 on Forum

... at line 2054. Adding two public properties to [epochWidth ... be required. There are two ways that you might ...

nsrr xml vs. profusion xml annotations

Reply by mrueschman on July 9, 2015 on Forum

... Hence, if you had two hours of wake (Profusion ... match 1:1 between the two XML files (i.e. output ...

SHHS Gender

Reply by mrueschman on August 15, 2017 on Forum

... In SHHS, gender has two levels: 1 = Male ... variables are described in two places. 1. Online variable ...

Heart Rate Data

Reply by alisonpinto on September 30, 2018 on Forum

... files are divided into two folders, followup and baseline, these two folders refer respectively to ...

Misalignment between Actigraphy and PSG

Reply by jongguri on July 8, 2019 on Forum

... to merge between the two files. As you can ... there was misalignment between two data sets. That is, ...

Comparing Parameters calculated by LUNA

Reply by shaunpurcell on September 11, 2023 on Forum

... MrOS/SOF context, comparing those two cohorts directly as a ... in even principle whether two cohorts are completely comparable ...

The duration of polysomnography

Reply by mrueschman on December 22, 2023 on Forum

... observational studies. There were two main visits/waves in SHHS, ... so some subjects have two overnight sleep studies collected. ...

Surgery to remove two ovaries after natural menopause

n2ovrem under Medical History/Reproductive Health in CFS variables

Over the last month, have you experienced: your bedtime changed by two or more hours

chgtime under Sleep Questionnaires/Sleep Habits in CFS variables

Diastolic blood pressure

nsrr_bp_diastolic under Harmonized/Clinical Data in MROS variables

Average resting diastolic blood pressure of two measurements collected from the upper arm in a single clinic visit. Harmonized by the NSRR team to align with TOPMed and BioDataCatalyst standards. Source: :bpbpdiam: at Visit 1

Systolic blood pressure

nsrr_bp_systolic under Harmonized/Clinical Data in MROS variables

Average resting systolic blood pressure of two measurements collected from the upper arm in a single clinic visit. Harmonized by the NSRR team to align with TOPMed and BioDataCatalyst standards. Source: :bpbpsysm: at Visit 1

Maximum mean arterial pressure

map2allmax under Clinical Data/Vital Signs/Ambulatory Blood Pressure in HEARTBEAT variables

Mean pressure was calculated at each reading as one third of systolic mean pressure plus two thirds of diastolic mean pressure.