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Item from Pittsburgh Sleep Quality Index. Buysse et. al 1989 (PubMed ID: 2748771) Search for all PSQI variables within this datasetOriginal question: During the past month, how often have you had trouble sleeping because you have to get up to use the bathroom?

Item from Pittsburgh Sleep Quality Index. Buysse et. al 1989 (PubMed ID: 2748771) Search for all PSQI variables within this datasetOriginal question: During the past month, how often have you had trouble sleeping because you feel too cold?

Item from Pittsburgh Sleep Quality Index. Buysse et. al 1989 (PubMed ID: 2748771) Search for all PSQI variables within this datasetOriginal question: During the past month, how often have you had trouble sleeping because you feel too hot?

Item from Pittsburgh Sleep Quality Index. Buysse et. al 1989 (PubMed ID: 2748771) Search for all PSQI variables within this datasetOriginal question: During the past month, how often have you had trouble sleeping because you cannot breathe comfortably?

Item from Pittsburgh Sleep Quality Index. Buysse et. al 1989 (PubMed ID: 2748771) Search for all PSQI variables within this dataset

Subscore based on 2 items from Pittsburgh Sleep Quality Index, with a range of 0-3. A score of "0" indicates no difficulty, while a score of "3" indicates severe difficulty. Buysse et. al 1989 (PubMed ID: 2748771) Search for all PSQI variables within this dataset

Subscore based on 9 items from Pittsburgh Sleep Quality Index, with a range of 0-3. A score of "0" indicates no difficulty, while a score of "3" indicates severe difficulty. Buysse et. al 1989 (PubMed ID: 2748771) Search for all PSQI variables within this dataset

Subscore based on 3 items from Pittsburgh Sleep Quality Index, with a range of 0-3. A score of "0" indicates no difficulty, while a score of "3" indicates severe difficulty. Buysse et. al 1989 (PubMed ID: 2748771) Search for all PSQI variables within this dataset

Subscore based on 2 items from Pittsburgh Sleep Quality Index, with a range of 0-3. A score of "0" indicates no difficulty, while a score of "3" indicates severe difficulty. Buysse et. al 1989 (PubMed ID: 2748771) Search for all PSQI variables within this dataset

Subscore based on 1 item from Pittsburgh Sleep Quality Index, with a range of 0-3. A score of "0" indicates no difficulty, while a score of "3" indicates severe difficulty. Buysse et. al 1989 (PubMed ID: 2748771) Search for all PSQI variables within this dataset

Subscore based on 1 item from Pittsburgh Sleep Quality Index, with a range of 0-3. A score of "0" indicates no difficulty, while a score of "3" indicates severe difficulty. Buysse et. al 1989 (PubMed ID: 2748771) Search for all PSQI variables within this dataset

Subscore based on 1 item from Pittsburgh Sleep Quality Index, with a range of 0-3. A score of "0" indicates no difficulty, while a score of "3" indicates severe difficulty. Buysse et. al 1989 (PubMed ID: 2748771) Seven component scores are derived, from 0 (no difficulty) to 3 (severe difficulty). The global score is the sum of the seven components (0 to 21), while higher scores indicate worse sleep quality. Search for all PSQI variables within this dataset

Item from Pittsburgh Sleep Quality Index. Buysse et. al 1989 (PubMed ID: 2748771) Search for all PSQI variables within this datasetOriginal question: During the past month, how many hours of actual sleep did you get each night?

Item from Pittsburgh Sleep Quality Index. Buysse et. al 1989 (PubMed ID: 2748771) Search for all PSQI variables within this datasetOriginal question: During the past month, how often have you had trouble staying awake while driving, eating meals, or engaging in social activity?

Item from Pittsburgh Sleep Quality Index. Buysse et. al 1989 (PubMed ID: 2748771) Search for all PSQI variables within this datasetOriginal question: During the past month, how often have you had trouble sleeping because you have bad dreams?

Item from Pittsburgh Sleep Quality Index. Buysse et. al 1989 (PubMed ID: 2748771) Search for all PSQI variables within this datasetOriginal question: During the past month, how often have you had trouble sleeping because you have pain?

Item from Pittsburgh Sleep Quality Index. Buysse et. al 1989 (PubMed ID: 2748771) Search for all PSQI variables within this datasetOriginal question: During the past month, how much of a problem has it been for you to keep up enough enthusiasm to get things done?

Item from Pittsburgh Sleep Quality Index. Buysse et. al 1989 (PubMed ID: 2748771) Search for all PSQI variables within this datasetOriginal question: During the past month, how often have you had trouble sleeping because you have other reasons?

Item from Pittsburgh Sleep Quality Index. Buysse et. al 1989 (PubMed ID: 2748771) Search for all PSQI variables within this datasetOriginal question: During the past month, how often have you had trouble sleeping because you cough or snore loudly?

Item from Pittsburgh Sleep Quality Index. Buysse et. al 1989 (PubMed ID: 2748771) Search for all PSQI variables within this dataset

Item from Pittsburgh Sleep Quality Index. Buysse et. al 1989 (PubMed ID: 2748771) Search for all PSQI variables within this dataset

Subscore based on 3 items from Pittsburgh Sleep Quality Index, with a range of 0-3. A score of "0" indicates no difficulty, while a score of "3" indicates severe difficulty. Buysse et. al 1989 (PubMed ID: 2748771) Search for all PSQI variables within this dataset

Item from Pittsburgh Sleep Quality Index. Buysse et. al 1989 (PubMed ID: 2748771) Search for all PSQI variables within this dataset

Item from Pittsburgh Sleep Quality Index. Buysse et. al 1989 (PubMed ID: 2748771) Search for all PSQI variables within this dataset