Inclusion criteria:
Students in grades one to three of primary school (first stage of primary education)
Written informed consent obtained from a parent (father or mother)
Minimum literacy level (ability to read and write) for the participating parent
Access to the internet and a smartphone for the participating parent
Exclusion criteria:
Students with chronic underlying medical conditions (e.g., seizures, diabetes, epilepsy, cancer, hypothyroidism, morbid obesity or underweight, autism, ADHD, etc.)
Students living in single-parent households (due to bereavement or divorce)
Parents who are currently undergoing treatment for psychiatric or mental health disorders (e.g., severe anger, aggression, depression, etc.)