The use of Himalayan Fir (Abies spectabilis) for treating insomnia is primarily rooted in traditional medicine practices, particularly within Ayurvedic and folk medicinal systems in the Himalayan region. Traditional healers have employed various parts of the tree, especially the resin and leaves, for their purported calming and sedative effects, which are believed to help alleviate insomnia and related sleep disturbances. The aromatic properties of the essential oils in Himalayan Fir are also thought to promote relaxation.

However, there is a significant lack of scientific research directly evaluating the efficacy or safety of Himalayan Fir for insomnia. While some studies on essential oils from other conifer species (such as Siberian Fir or Scots Pine) suggest mild anxiolytic or sedative properties, these findings cannot be directly extrapolated to Himalayan Fir due to differences in chemical composition. No clinical trials or robust pharmacological studies have assessed Abies spectabilis specifically for its effects on sleep or insomnia in humans.

In summary, while there is a traditional basis for the use of Himalayan Fir in the management of insomnia, the evidence supporting its efficacy is anecdotal and not corroborated by scientific studies. As such, its use for this condition should be considered with caution and not as a replacement for evidence-based treatments.