This study aims to investigate the relationship between physical activity levels and insomnia in females with primary dysmenorrhea.

This study will be designed as a case-control study, conducted on 150 females recruited from El_Nassr hospital in Helwan, Cairo, Egypt and from social media. Patients will be divided into two equal groups: group A(75 patients complain from PD according to WaLIDD score)& group B(75 patients don't complain from PD according to WaLIDD score). All data and information of each female in this study, including name, age, address, weight, height, and menstrual history, will be recorded in a recording data sheet. WaLIDD score will be used to assess PD symptoms, Insomnia Severity Index will be used to assess insomnia, International Physical Activity Questionnaire (Short-form)& Six-Minute Walk Test will be used to assess physical activity levels. Inclusion criteria: 1)Patient ages will be ranged between 18-25 years old, 2)They do not receive any drugs, 3)Being a virgin. Participants will be excluded if they 1) Using hormonal contraception (such as oral contraceptives and injections), 2)Taking any medications, 3)History of chronic disease, 4)Having any psychiatric or gynecological problems (such as PCO, amenorrhea, women who suffered from menopause). The subject, who missed for any of assessment session, would be withdraw form the research.

Inclusion Criteria:

1. Patient ages will be ranged between 18-25 years old.
2. They do not receive any drugs.
3. Being a virgin .

Exclusion Criteria:

1. Using hormonal contraception (such as oral contraceptives and injections).
2. Taking any medications.
3. History of chronic disease.
4. Having any psychiatric or gynecological problems (such as PCO, amenorrhea, women who suffered from menopause).

This study will be conducted on 150 females recruited from El_ Nassr hospital in Helwan, Cairo, Egypt and from social media. Patients will be divided into two equal groups: